3772656 has 100 divisors (see below), whose sum is σ = 11343024. Its totient is φ = 1209600.

The previous prime is 3772633. The next prime is 3772679. The reversal of 3772656 is 6562773.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3772633) and next prime (3772679).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3772656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 53101 + ... + 53171.

Almost surely, 2^3772656 is an apocalyptic number.

3772656 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 3772656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5671512).

3772656 is an abundant number, since it is smaller than the sum of its proper divisors (7570368).

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

3772656 is a wasteful number, since it uses less digits than its factorization.

3772656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 117 counting only the distinct ones).

The product of its digits is 52920, while the sum is 36.

The square root of 3772656 is about 1942.3326182711. The cubic root of 3772656 is about 155.6738749088.

The spelling of 3772656 in words is "three million, seven hundred seventy-two thousand, six hundred fifty-six".