28430492 has 6 divisors (see below), whose sum is σ = 49753368. Its totient is φ = 14215244.

The previous prime is 28430491. The next prime is 28430509. The reversal of 28430492 is 29403482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28430491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3553808 + ... + 3553815.

It is an arithmetic number, because the mean of its divisors is an integer number (8292228).

Almost surely, 2^28430492 is an apocalyptic number.

It is an amenable number.

28430492 is a deficient number, since it is larger than the sum of its proper divisors (21322876).

28430492 is a wasteful number, since it uses less digits than its factorization.

28430492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7107627 (or 7107625 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 28430492 is about 5332.0251312236. The cubic root of 28430492 is about 305.2072120537.

The spelling of 28430492 in words is "twenty-eight million, four hundred thirty thousand, four hundred ninety-two".