38197656 has 144 divisors (see below), whose sum is σ = 125110440. Its totient is φ = 10886400.

The previous prime is 38197639. The next prime is 38197661. The reversal of 38197656 is 65679183.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 95056 + ... + 95456.

Almost surely, 2^38197656 is an apocalyptic number.

38197656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38197656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62555220).

38197656 is an abundant number, since it is smaller than the sum of its proper divisors (86912784).

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

38197656 is a wasteful number, since it uses less digits than its factorization.

38197656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 413 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 38197656 is about 6180.4252280891. The cubic root of 38197656 is about 336.7794404844.

The spelling of 38197656 in words is "thirty-eight million, one hundred ninety-seven thousand, six hundred fifty-six".