90426212 has 6 divisors (see below), whose sum is σ = 158245878. Its totient is φ = 45213104.

The previous prime is 90426181. The next prime is 90426227. The reversal of 90426212 is 21262409.

It can be written as a sum of positive squares in only one way, i.e., 67996516 + 22429696 = 8246^2 + 4736^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11303273 + ... + 11303280.

It is an arithmetic number, because the mean of its divisors is an integer number (26374313).

Almost surely, 2^90426212 is an apocalyptic number.

It is an amenable number.

90426212 is a deficient number, since it is larger than the sum of its proper divisors (67819666).

90426212 is a wasteful number, since it uses less digits than its factorization.

90426212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22606557 (or 22606555 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 90426212 is about 9509.2697932070. The cubic root of 90426212 is about 448.8467788362.

The spelling of 90426212 in words is "ninety million, four hundred twenty-six thousand, two hundred twelve".