42886790 has 16 divisors (see below), whose sum is σ = 77280912. Its totient is φ = 17135904.

The previous prime is 42886783. The next prime is 42886799. The reversal of 42886790 is 9768824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42886799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10637 + ... + 14103.

It is an arithmetic number, because the mean of its divisors is an integer number (4830057).

Almost surely, 2^42886790 is an apocalyptic number.

42886790 is a deficient number, since it is larger than the sum of its proper divisors (34394122).

42886790 is a wasteful number, since it uses less digits than its factorization.

42886790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4711.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 42886790 is about 6548.8006535548. The cubic root of 42886790 is about 350.0320786924.

The spelling of 42886790 in words is "forty-two million, eight hundred eighty-six thousand, seven hundred ninety".