28433097 has 48 divisors (see below), whose sum is σ = 51891840. Its totient is φ = 14572800.

The previous prime is 28433089. The next prime is 28433099. The reversal of 28433097 is 79033482.

It is not a de Polignac number, because 28433097 - 2³ = 28433089 is a prime.

It is a super-2 number, since 2×28433097² = 1616882010022818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28433099) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61447 + ... + 61907.

It is an arithmetic number, because the mean of its divisors is an integer number (1081080).

Almost surely, 2^28433097 is an apocalyptic number.

It is an amenable number.

28433097 is a deficient number, since it is larger than the sum of its proper divisors (23458743).

28433097 is a wasteful number, since it uses less digits than its factorization.

28433097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 28433097 is about 5332.2694042968. The cubic root of 28433097 is about 305.2165335070.

The spelling of 28433097 in words is "twenty-eight million, four hundred thirty-three thousand, ninety-seven".