28934037 has 32 divisors (see below), whose sum is σ = 48044160. Its totient is φ = 17055360.

The previous prime is 28934021. The next prime is 28934053. The reversal of 28934037 is 73043982.

28934037 is a `hidden beast` number, since 289 + 340 + 37 = 666.

It is an interprime number because it is at equal distance from previous prime (28934021) and next prime (28934053).

It is not a de Polignac number, because 28934037 - 2⁴ = 28934021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28933992 and 28934010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28934137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9673 + ... + 12305.

It is an arithmetic number, because the mean of its divisors is an integer number (1501380).

Almost surely, 2^28934037 is an apocalyptic number.

28934037 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

28934037 is a deficient number, since it is larger than the sum of its proper divisors (19110123).

28934037 is a wasteful number, since it uses less digits than its factorization.

28934037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690 (or 2684 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 28934037 is about 5379.0368096900. The cubic root of 28934037 is about 306.9985640806.

The spelling of 28934037 in words is "twenty-eight million, nine hundred thirty-four thousand, thirty-seven".