28474594 has 4 divisors (see below), whose sum is σ = 42711894. Its totient is φ = 14237296.

The previous prime is 28474591. The next prime is 28474601. The reversal of 28474594 is 49547482.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24373969 + 4100625 = 4937^2 + 2025^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28474594.

It is not an unprimeable number, because it can be changed into a prime (28474591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7118647 + ... + 7118650.

Almost surely, 2^28474594 is an apocalyptic number.

28474594 is a deficient number, since it is larger than the sum of its proper divisors (14237300).

28474594 is a wasteful number, since it uses less digits than its factorization.

28474594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14237299.

The product of its digits is 322560, while the sum is 43.

The square root of 28474594 is about 5336.1591055740. The cubic root of 28474594 is about 305.3649452194.

The spelling of 28474594 in words is "twenty-eight million, four hundred seventy-four thousand, five hundred ninety-four".