42836394 has 16 divisors (see below), whose sum is σ = 85806432. Its totient is φ = 14256528.

The previous prime is 42836377. The next prime is 42836429. The reversal of 42836394 is 49363824.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129 + ... + 9324.

It is an arithmetic number, because the mean of its divisors is an integer number (5362902).

Almost surely, 2^42836394 is an apocalyptic number.

42836394 is an abundant number, since it is smaller than the sum of its proper divisors (42970038).

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

42836394 is a wasteful number, since it uses less digits than its factorization.

42836394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11141.

The product of its digits is 124416, while the sum is 39.

The square root of 42836394 is about 6544.9517950860. The cubic root of 42836394 is about 349.8949181139.

The spelling of 42836394 in words is "forty-two million, eight hundred thirty-six thousand, three hundred ninety-four".