42886428 has 48 divisors (see below), whose sum is σ = 108187296. Its totient is φ = 13144320.

The previous prime is 42886411. The next prime is 42886463. The reversal of 42886428 is 82468824.

It is a self number, because there is not a number n which added to its sum of digits gives 42886428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65350 + ... + 66002.

It is an arithmetic number, because the mean of its divisors is an integer number (2253902).

Almost surely, 2^42886428 is an apocalyptic number.

It is an amenable number.

42886428 is an abundant number, since it is smaller than the sum of its proper divisors (65300868).

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

42886428 is a wasteful number, since it uses less digits than its factorization.

42886428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094 (or 1092 counting only the distinct ones).

The product of its digits is 196608, while the sum is 42.

The square root of 42886428 is about 6548.7730148479. The cubic root of 42886428 is about 350.0310938362.

The spelling of 42886428 in words is "forty-two million, eight hundred eighty-six thousand, four hundred twenty-eight".