28492929 has 24 divisors (see below), whose sum is σ = 43692480. Its totient is φ = 17853792.

The previous prime is 28492921. The next prime is 28492943. The reversal of 28492929 is 92929482.

It is not a de Polignac number, because 28492929 - 2³ = 28492921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28492921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11047 + ... + 13379.

It is an arithmetic number, because the mean of its divisors is an integer number (1820520).

Almost surely, 2^28492929 is an apocalyptic number.

It is an amenable number.

28492929 is a deficient number, since it is larger than the sum of its proper divisors (15199551).

28492929 is a wasteful number, since it uses less digits than its factorization.

28492929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421 (or 2418 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 28492929 is about 5337.8768251057. The cubic root of 28492929 is about 305.4304733996.

It can be divided in two parts, 2849 and 2929, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 28492929 in words is "twenty-eight million, four hundred ninety-two thousand, nine hundred twenty-nine".