42846427 has 12 divisors (see below), whose sum is σ = 47800480. Its totient is φ = 38176992.

The previous prime is 42846421. The next prime is 42846437. The reversal of 42846427 is 72464824.

It is a de Polignac number, because none of the positive numbers 2^k-42846427 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (42846421) 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, 8974 + ... + 12892.

Almost surely, 2^42846427 is an apocalyptic number.

42846427 is a deficient number, since it is larger than the sum of its proper divisors (4954053).

42846427 is a wasteful number, since it uses less digits than its factorization.

42846427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3990 (or 3961 counting only the distinct ones).

The product of its digits is 86016, while the sum is 37.

The square root of 42846427 is about 6545.7182188053. The cubic root of 42846427 is about 349.9222330623.

The spelling of 42846427 in words is "forty-two million, eight hundred forty-six thousand, four hundred twenty-seven".