42996090 has 16 divisors (see below), whose sum is σ = 103190688. Its totient is φ = 11465616.

The previous prime is 42996089. The next prime is 42996097. The reversal of 42996090 is 9069924.

It is not an unprimeable number, because it can be changed into a prime (42996097) 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, 716572 + ... + 716631.

It is an arithmetic number, because the mean of its divisors is an integer number (6449418).

Almost surely, 2^42996090 is an apocalyptic number.

42996090 is an abundant number, since it is smaller than the sum of its proper divisors (60194598).

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

42996090 is a wasteful number, since it uses less digits than its factorization.

42996090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433213.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 42996090 is about 6557.1403828193. The cubic root of 42996090 is about 350.3291868901.

The spelling of 42996090 in words is "forty-two million, nine hundred ninety-six thousand, ninety".