3698240 has 112 divisors (see below), whose sum is σ = 10924032. Its totient is φ = 1161216.

The previous prime is 3698237. The next prime is 3698243. The reversal of 3698240 is 428963.

3698240 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3698237) and next prime (3698243).

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 3698197 and 3698206.

It is not an unprimeable number, because it can be changed into a prime (3698243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29057 + ... + 29183.

It is an arithmetic number, because the mean of its divisors is an integer number (97536).

Almost surely, 2^3698240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3698240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5462016).

3698240 is an abundant number, since it is smaller than the sum of its proper divisors (7225792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3698240 is a wasteful number, since it uses less digits than its factorization.

3698240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 3698240 is about 1923.0808615344. The cubic root of 3698240 is about 154.6435095466.

The spelling of 3698240 in words is "three million, six hundred ninety-eight thousand, two hundred forty".