28633692 has 24 divisors (see below), whose sum is σ = 67095952. Its totient is φ = 9504000.

The previous prime is 28633687. The next prime is 28633697. The reversal of 28633692 is 29633682.

It is an interprime number because it is at equal distance from previous prime (28633687) and next prime (28633697).

It is a self number, because there is not a number n which added to its sum of digits gives 28633692.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28633697) 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, 2059 + ... + 7842.

Almost surely, 2^28633692 is an apocalyptic number.

It is an amenable number.

28633692 is an abundant number, since it is smaller than the sum of its proper divisors (38462260).

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

28633692 is a wasteful number, since it uses less digits than its factorization.

28633692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10149 (or 10147 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 28633692 is about 5351.0458790782. The cubic root of 28633692 is about 305.9326179114.

It can be divided in two parts, 2863 and 3692, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 28633692 in words is "twenty-eight million, six hundred thirty-three thousand, six hundred ninety-two".