28473190 has 32 divisors (see below), whose sum is σ = 53934336. Its totient is φ = 10807680.

The previous prime is 28473187. The next prime is 28473209. The reversal of 28473190 is 9137482.

It is a super-2 number, since 2×28473190² = 1621445097552200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15564 + ... + 17296.

It is an arithmetic number, because the mean of its divisors is an integer number (1685448).

Almost surely, 2^28473190 is an apocalyptic number.

28473190 is a deficient number, since it is larger than the sum of its proper divisors (25461146).

28473190 is a wasteful number, since it uses less digits than its factorization.

28473190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 28473190 is about 5336.0275486545. The cubic root of 28473190 is about 305.3599262491.

The spelling of 28473190 in words is "twenty-eight million, four hundred seventy-three thousand, one hundred ninety".