1002645952 has 56 divisors (see below), whose sum is σ = 2480584320. Its totient is φ = 390639360.

The previous prime is 1002645947. The next prime is 1002645953. The reversal of 1002645952 is 2595462001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002645953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96802 + ... + 106657.

Almost surely, 2^1002645952 is an apocalyptic number.

It is an amenable number.

1002645952 is an abundant number, since it is smaller than the sum of its proper divisors (1477938368).

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

1002645952 is a wasteful number, since it uses less digits than its factorization.

1002645952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203489 (or 203479 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 1002645952 is about 31664.5851386056. The cubic root of 1002645952 is about 1000.8812072457.

The spelling of 1002645952 in words is "one billion, two million, six hundred forty-five thousand, nine hundred fifty-two".