28838937 has 8 divisors (see below), whose sum is σ = 38884320. Its totient is φ = 19009760.

The previous prime is 28838923. The next prime is 28838951. The reversal of 28838937 is 73983882.

It is an interprime number because it is at equal distance from previous prime (28838923) and next prime (28838951).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28838937 - 2⁷ = 28838809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28838977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53739 + ... + 54272.

It is an arithmetic number, because the mean of its divisors is an integer number (4860540).

Almost surely, 2^28838937 is an apocalyptic number.

It is an amenable number.

28838937 is a deficient number, since it is larger than the sum of its proper divisors (10045383).

28838937 is a wasteful number, since it uses less digits than its factorization.

28838937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108103.

The product of its digits is 580608, while the sum is 48.

The square root of 28838937 is about 5370.1896614552. The cubic root of 28838937 is about 306.6618486693.

The spelling of 28838937 in words is "twenty-eight million, eight hundred thirty-eight thousand, nine hundred thirty-seven".