28414986 has 16 divisors (see below), whose sum is σ = 57417024. Its totient is φ = 9373824.

The previous prime is 28414961. The next prime is 28414987. The reversal of 28414986 is 68941482.

It is a super-2 number, since 2×28414986² = 1614822858760392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28414987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23830 + ... + 24993.

It is an arithmetic number, because the mean of its divisors is an integer number (3588564).

Almost surely, 2^28414986 is an apocalyptic number.

28414986 is an abundant number, since it is smaller than the sum of its proper divisors (29002038).

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

28414986 is a wasteful number, since it uses less digits than its factorization.

28414986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48925.

The product of its digits is 110592, while the sum is 42.

The square root of 28414986 is about 5330.5708887510. The cubic root of 28414986 is about 305.1517152575.

The spelling of 28414986 in words is "twenty-eight million, four hundred fourteen thousand, nine hundred eighty-six".