3654340 has 24 divisors (see below), whose sum is σ = 7764120. Its totient is φ = 1444608.

The previous prime is 3654331. The next prime is 3654349. The reversal of 3654340 is 434563.

3654340 is digitally balanced in base 2, 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 (3654331) and next prime (3654349).

It can be written as a sum of positive squares in 4 ways, for example, as 97344 + 3556996 = 312^2 + 1886^2 .

It is not an unprimeable number, because it can be changed into a prime (3654349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 754 + ... + 2806.

It is an arithmetic number, because the mean of its divisors is an integer number (323505).

Almost surely, 2^3654340 is an apocalyptic number.

It is an amenable number.

3654340 is an abundant number, since it is smaller than the sum of its proper divisors (4109780).

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

3654340 is a wasteful number, since it uses less digits than its factorization.

3654340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151 (or 2149 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 3654340 is about 1911.6328099298. The cubic root of 3654340 is about 154.0291730868.

The spelling of 3654340 in words is "three million, six hundred fifty-four thousand, three hundred forty".