90469012 has 12 divisors (see below), whose sum is σ = 158387796. Its totient is φ = 45215360.

The previous prime is 90468997. The next prime is 90469037. The reversal of 90469012 is 21096409.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 89756676 + 712336 = 9474^2 + 844^2 .

It is a super-2 number, since 2×90469012² = 16369284264512288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14298 + ... + 19630.

It is an arithmetic number, because the mean of its divisors is an integer number (13198983).

Almost surely, 2^90469012 is an apocalyptic number.

It is an amenable number.

90469012 is a deficient number, since it is larger than the sum of its proper divisors (67918784).

90469012 is a wasteful number, since it uses less digits than its factorization.

90469012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9578 (or 9576 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 90469012 is about 9511.5199626558. The cubic root of 90469012 is about 448.9175828343.

The spelling of 90469012 in words is "ninety million, four hundred sixty-nine thousand, twelve".