28982190 has 32 divisors (see below), whose sum is σ = 70600320. Its totient is φ = 7612704.

The previous prime is 28982183. The next prime is 28982197. The reversal of 28982190 is 9128982.

It is an interprime number because it is at equal distance from previous prime (28982183) and next prime (28982197).

It is a super-2 number, since 2×28982190² = 1679934674392200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28982197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5200 + ... + 9219.

It is an arithmetic number, because the mean of its divisors is an integer number (2206260).

Almost surely, 2^28982190 is an apocalyptic number.

28982190 is an abundant number, since it is smaller than the sum of its proper divisors (41618130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28982190 is a wasteful number, since it uses less digits than its factorization.

28982190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14496.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 28982190 is about 5383.5109361828. The cubic root of 28982190 is about 307.1687754790.

The spelling of 28982190 in words is "twenty-eight million, nine hundred eighty-two thousand, one hundred ninety".