28372954 has 8 divisors (see below), whose sum is σ = 42588468. Its totient is φ = 14176800.

The previous prime is 28372931. The next prime is 28372963. The reversal of 28372954 is 45927382.

It can be written as a sum of positive squares in 2 ways, for example, as 24059025 + 4313929 = 4905^2 + 2077^2 .

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

It is a super-2 number, since 2×28372954² = 1610049037372232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337 + ... + 7540.

Almost surely, 2^28372954 is an apocalyptic number.

28372954 is a deficient number, since it is larger than the sum of its proper divisors (14215514).

28372954 is a wasteful number, since it uses less digits than its factorization.

28372954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9680.

The product of its digits is 120960, while the sum is 40.

The square root of 28372954 is about 5326.6268876279. The cubic root of 28372954 is about 305.0011788900.

It can be divided in two parts, 283 and 72954, that added together give a palindrome (73237).

The spelling of 28372954 in words is "twenty-eight million, three hundred seventy-two thousand, nine hundred fifty-four".