42146394 has 16 divisors (see below), whose sum is σ = 84384480. Its totient is φ = 14033520.

The previous prime is 42146369. The next prime is 42146411. The reversal of 42146394 is 49364124.

It is an unprimeable number.

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, 3129 + ... + 9699.

It is an arithmetic number, because the mean of its divisors is an integer number (5274030).

Almost surely, 2^42146394 is an apocalyptic number.

42146394 is an abundant number, since it is smaller than the sum of its proper divisors (42238086).

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

42146394 is a wasteful number, since it uses less digits than its factorization.

42146394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7645.

The product of its digits is 20736, while the sum is 33.

The square root of 42146394 is about 6492.0254158467. The cubic root of 42146394 is about 348.0060608008.

The spelling of 42146394 in words is "forty-two million, one hundred forty-six thousand, three hundred ninety-four".