64200996 has 18 divisors (see below), whose sum is σ = 162285942. Its totient is φ = 21400320.

The previous prime is 64200989. The next prime is 64201003. The reversal of 64200996 is 69900246.

64200996 is a `hidden beast` number, since 642 + 0 + 0 + 9 + 9 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (64200989) and next prime (64201003).

It can be written as a sum of positive squares in only one way, i.e., 37822500 + 26378496 = 6150^2 + 5136^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1783361 = 64200996 / (6 + 4 + 2 + 0 + 0 + 9 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 64200996.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 891645 + ... + 891716.

Almost surely, 2^64200996 is an apocalyptic number.

It is an amenable number.

64200996 is an abundant number, since it is smaller than the sum of its proper divisors (98084946).

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

64200996 is a wasteful number, since it uses less digits than its factorization.

64200996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783371 (or 1783366 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 64200996 is about 8012.5524023247. The cubic root of 64200996 is about 400.4183040684.

The spelling of 64200996 in words is "sixty-four million, two hundred thousand, nine hundred ninety-six".