3690438252 has 12 divisors (see below), whose sum is σ = 8611022616. Its totient is φ = 1230146080.

The previous prime is 3690438223. The next prime is 3690438281. The reversal of 3690438252 is 2528340963.

It is an interprime number because it is at equal distance from previous prime (3690438223) and next prime (3690438281).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153768249 + ... + 153768272.

It is an arithmetic number, because the mean of its divisors is an integer number (717585218).

Almost surely, 2^3690438252 is an apocalyptic number.

It is an amenable number.

3690438252 is an abundant number, since it is smaller than the sum of its proper divisors (4920584364).

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

3690438252 is a wasteful number, since it uses less digits than its factorization.

3690438252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307536528 (or 307536526 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 3690438252 is about 60748.9773741089. The cubic root of 3690438252 is about 1545.3468849625.

The spelling of 3690438252 in words is "three billion, six hundred ninety million, four hundred thirty-eight thousand, two hundred fifty-two".