33879942 has 24 divisors (see below), whose sum is σ = 73819200. Its totient is φ = 11229840.

The previous prime is 33879941. The next prime is 33879953. The reversal of 33879942 is 24997833.

It is a happy number.

It is a super-2 number, since 2×33879942² = 2295700939846728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33879941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1942 + ... + 8457.

It is an arithmetic number, because the mean of its divisors is an integer number (3075800).

Almost surely, 2^33879942 is an apocalyptic number.

33879942 is an abundant number, since it is smaller than the sum of its proper divisors (39939258).

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

33879942 is a wasteful number, since it uses less digits than its factorization.

33879942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10588 (or 10585 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 33879942 is about 5820.6479020810. The cubic root of 33879942 is about 323.5794154091.

The spelling of 33879942 in words is "thirty-three million, eight hundred seventy-nine thousand, nine hundred forty-two".