28529379 has 6 divisors (see below), whose sum is σ = 41209116. Its totient is φ = 19019580.

The previous prime is 28529357. The next prime is 28529387. The reversal of 28529379 is 97392582.

It is not a de Polignac number, because 28529379 - 2⁷ = 28529251 is a prime.

It is a super-2 number, since 2×28529379² = 1627850932251282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28529309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1584957 + ... + 1584974.

It is an arithmetic number, because the mean of its divisors is an integer number (6868186).

Almost surely, 2^28529379 is an apocalyptic number.

28529379 is a deficient number, since it is larger than the sum of its proper divisors (12679737).

28529379 is a wasteful number, since it uses less digits than its factorization.

28529379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169937 (or 3169934 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 28529379 is about 5341.2900127216. The cubic root of 28529379 is about 305.5606600482.

The spelling of 28529379 in words is "twenty-eight million, five hundred twenty-nine thousand, three hundred seventy-nine".