28969374 has 32 divisors (see below), whose sum is σ = 69096960. Its totient is φ = 7916832.

The previous prime is 28969373. The next prime is 28969387. The reversal of 28969374 is 47396982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28969373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14029 + ... + 15960.

It is an arithmetic number, because the mean of its divisors is an integer number (2159280).

Almost surely, 2^28969374 is an apocalyptic number.

28969374 is an abundant number, since it is smaller than the sum of its proper divisors (40127586).

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

28969374 is a wasteful number, since it uses less digits than its factorization.

28969374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30024.

The product of its digits is 653184, while the sum is 48.

The square root of 28969374 is about 5382.3205032774. The cubic root of 28969374 is about 307.1234918590.

The spelling of 28969374 in words is "twenty-eight million, nine hundred sixty-nine thousand, three hundred seventy-four".