28132958 has 48 divisors (see below), whose sum is σ = 53557200. Its totient is φ = 11007360.

The previous prime is 28132919. The next prime is 28132967. The reversal of 28132958 is 85923182.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53738 + ... + 54258.

It is an arithmetic number, because the mean of its divisors is an integer number (1115775).

Almost surely, 2^28132958 is an apocalyptic number.

28132958 is a deficient number, since it is larger than the sum of its proper divisors (25424242).

28132958 is a wasteful number, since it uses less digits than its factorization.

28132958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585 (or 578 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 28132958 is about 5304.0510932682. The cubic root of 28132958 is about 304.1387798374.

The spelling of 28132958 in words is "twenty-eight million, one hundred thirty-two thousand, nine hundred fifty-eight".