3656398 has 8 divisors (see below), whose sum is σ = 5773320. Its totient is φ = 1731960.

The previous prime is 3656383. The next prime is 3656413. The reversal of 3656398 is 8936563.

It is an interprime number because it is at equal distance from previous prime (3656383) and next prime (3656413).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3656398.

It is a congruent number.

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, 48073 + ... + 48148.

It is an arithmetic number, because the mean of its divisors is an integer number (721665).

Almost surely, 2^3656398 is an apocalyptic number.

3656398 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3656398 is a deficient number, since it is larger than the sum of its proper divisors (2116922).

3656398 is a wasteful number, since it uses less digits than its factorization.

3656398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96242.

The product of its digits is 116640, while the sum is 40.

The square root of 3656398 is about 1912.1710174563. The cubic root of 3656398 is about 154.0580823245.

The spelling of 3656398 in words is "three million, six hundred fifty-six thousand, three hundred ninety-eight".