42431934 has 8 divisors (see below), whose sum is σ = 84863880. Its totient is φ = 14143976.

The previous prime is 42431923. The next prime is 42431947. The reversal of 42431934 is 43913424.

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

42431934 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3535989 + ... + 3536000.

It is an arithmetic number, because the mean of its divisors is an integer number (10607985).

Almost surely, 2^42431934 is an apocalyptic number.

42431934 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42431934 is a wasteful number, since it uses less digits than its factorization.

42431934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7071994.

The product of its digits is 10368, while the sum is 30.

The square root of 42431934 is about 6513.9798894378. The cubic root of 42431934 is about 348.7902012983.

It can be divided in two parts, 42431 and 934, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 42431934 in words is "forty-two million, four hundred thirty-one thousand, nine hundred thirty-four".