515001996 has 48 divisors (see below), whose sum is σ = 1338180480. Its totient is φ = 171282960.

The previous prime is 515001989. The next prime is 515002009. The reversal of 515001996 is 699100515.

515001996 is a `hidden beast` number, since 51 + 500 + 19 + 96 = 666.

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 515001996.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45331 + ... + 55541.

It is an arithmetic number, because the mean of its divisors is an integer number (27878760).

Almost surely, 2^515001996 is an apocalyptic number.

It is an amenable number.

515001996 is an abundant number, since it is smaller than the sum of its proper divisors (823178484).

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

515001996 is a wasteful number, since it uses less digits than its factorization.

515001996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10691 (or 10683 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 36.

The square root of 515001996 is about 22693.6554129122. The cubic root of 515001996 is about 801.5604936785.

The spelling of 515001996 in words is "five hundred fifteen million, one thousand, nine hundred ninety-six".