3698320 has 20 divisors (see below), whose sum is σ = 8598780. Its totient is φ = 1479296.

The previous prime is 3698311. The next prime is 3698327. The reversal of 3698320 is 238963.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2930944 + 767376 = 1712^2 + 876^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3698327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23035 + ... + 23194.

It is an arithmetic number, because the mean of its divisors is an integer number (429939).

Almost surely, 2^3698320 is an apocalyptic number.

It is an amenable number.

3698320 is an abundant number, since it is smaller than the sum of its proper divisors (4900460).

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

3698320 is a wasteful number, since it uses less digits than its factorization.

3698320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46242 (or 46236 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 3698320 is about 1923.1016613793. The cubic root of 3698320 is about 154.6446246168.

The spelling of 3698320 in words is "three million, six hundred ninety-eight thousand, three hundred twenty".