28371942 has 24 divisors (see below), whose sum is σ = 61593480. Its totient is φ = 9438720.

The previous prime is 28371923. The next prime is 28371971. The reversal of 28371942 is 24917382.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 28371897 and 28371906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10309 + ... + 12767.

It is an arithmetic number, because the mean of its divisors is an integer number (2566395).

Almost surely, 2^28371942 is an apocalyptic number.

28371942 is an abundant number, since it is smaller than the sum of its proper divisors (33221538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28371942 is a wasteful number, since it uses less digits than its factorization.

28371942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108 (or 3105 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 28371942 is about 5326.5318923292. The cubic root of 28371942 is about 304.9975526096.

The spelling of 28371942 in words is "twenty-eight million, three hundred seventy-one thousand, nine hundred forty-two".