28349076 has 24 divisors (see below), whose sum is σ = 75597760. Its totient is φ = 8099712.

The previous prime is 28349063. The next prime is 28349089. The reversal of 28349076 is 67094382.

It is an interprime number because it is at equal distance from previous prime (28349063) and next prime (28349089).

It is a super-2 number, since 2×28349076² = 1607340220107552, 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 7 ways as a sum of consecutive naturals, for example, 168661 + ... + 168828.

Almost surely, 2^28349076 is an apocalyptic number.

It is an amenable number.

28349076 is an abundant number, since it is smaller than the sum of its proper divisors (47248684).

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

28349076 is a wasteful number, since it uses less digits than its factorization.

28349076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337503 (or 337501 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 28349076 is about 5324.3850349125. The cubic root of 28349076 is about 304.9155943092.

The spelling of 28349076 in words is "twenty-eight million, three hundred forty-nine thousand, seventy-six".