28629792 has 36 divisors (see below), whose sum is σ = 81416790. Its totient is φ = 9543168.

The previous prime is 28629781. The next prime is 28629803. The reversal of 28629792 is 29792682.

It is an interprime number because it is at equal distance from previous prime (28629781) and next prime (28629803).

It can be written as a sum of positive squares in only one way, i.e., 22695696 + 5934096 = 4764^2 + 2436^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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, 49417 + ... + 49992.

Almost surely, 2^28629792 is an apocalyptic number.

It is an amenable number.

28629792 is an abundant number, since it is smaller than the sum of its proper divisors (52786998).

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

28629792 is a wasteful number, since it uses less digits than its factorization.

28629792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99425 (or 99414 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 28629792 is about 5350.6814519274. The cubic root of 28629792 is about 305.9187276153.

The spelling of 28629792 in words is "twenty-eight million, six hundred twenty-nine thousand, seven hundred ninety-two".