3200656956 has 72 divisors (see below), whose sum is σ = 8640718464. Its totient is φ = 903292320.

The previous prime is 3200656919. The next prime is 3200656993. The reversal of 3200656956 is 6596560023.

It is an interprime number because it is at equal distance from previous prime (3200656919) and next prime (3200656993).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 575911 + ... + 581441.

Almost surely, 2^3200656956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3200656956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4320359232).

3200656956 is an abundant number, since it is smaller than the sum of its proper divisors (5440061508).

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

3200656956 is a wasteful number, since it uses less digits than its factorization.

3200656956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5711 (or 5626 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 42.

The square root of 3200656956 is about 56574.3489224578. The cubic root of 3200656956 is about 1473.7134361641.

The spelling of 3200656956 in words is "three billion, two hundred million, six hundred fifty-six thousand, nine hundred fifty-six".