28883814 has 32 divisors (see below), whose sum is σ = 60562944. Its totient is φ = 9166080.

The previous prime is 28883807. The next prime is 28883821. The reversal of 28883814 is 41838882.

It is an interprime number because it is at equal distance from previous prime (28883807) and next prime (28883821).

It is a super-2 number, since 2×28883814² = 1668549422373192, 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, 42582 + ... + 43254.

It is an arithmetic number, because the mean of its divisors is an integer number (1892592).

Almost surely, 2^28883814 is an apocalyptic number.

28883814 is an abundant number, since it is smaller than the sum of its proper divisors (31679130).

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

28883814 is a wasteful number, since it uses less digits than its factorization.

28883814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012.

The product of its digits is 98304, while the sum is 42.

The square root of 28883814 is about 5374.3663812584. The cubic root of 28883814 is about 306.8208343195.

The spelling of 28883814 in words is "twenty-eight million, eight hundred eighty-three thousand, eight hundred fourteen".