42094392 has 32 divisors (see below), whose sum is σ = 106964880. Its totient is φ = 13800960.

The previous prime is 42094391. The next prime is 42094417. The reversal of 42094392 is 29349024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42094391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12913 + ... + 15840.

Almost surely, 2^42094392 is an apocalyptic number.

It is an amenable number.

42094392 is an abundant number, since it is smaller than the sum of its proper divisors (64870488).

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

42094392 is a wasteful number, since it uses less digits than its factorization.

42094392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28823 (or 28819 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 42094392 is about 6488.0191121790. The cubic root of 42094392 is about 347.8628737052.

It can be divided in two parts, 42094 and 392, that added together give a triangular number (42486 = T₂₉₁).

The spelling of 42094392 in words is "forty-two million, ninety-four thousand, three hundred ninety-two".