28992965 has 8 divisors (see below), whose sum is σ = 35600928. Its totient is φ = 22654800.

The previous prime is 28992947. The next prime is 28992983. The reversal of 28992965 is 56929982.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28992947) and next prime (28992983).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28992965 - 2²² = 24798661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67211 + ... + 67640.

It is an arithmetic number, because the mean of its divisors is an integer number (4450116).

Almost surely, 2^28992965 is an apocalyptic number.

It is an amenable number.

28992965 is a deficient number, since it is larger than the sum of its proper divisors (6607963).

28992965 is a wasteful number, since it uses less digits than its factorization.

28992965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134899.

The product of its digits is 699840, while the sum is 50.

The square root of 28992965 is about 5384.5115841643. The cubic root of 28992965 is about 307.2068371699.

The spelling of 28992965 in words is "twenty-eight million, nine hundred ninety-two thousand, nine hundred sixty-five".