90669456 has 100 divisors (see below), whose sum is σ = 268691632. Its totient is φ = 29502144.

The previous prime is 90669437. The next prime is 90669479. The reversal of 90669456 is 65496609.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 54915 + ... + 56541.

Almost surely, 2^90669456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90669456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134345816).

90669456 is an abundant number, since it is smaller than the sum of its proper divisors (178022176).

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

90669456 is a wasteful number, since it uses less digits than its factorization.

90669456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690 (or 1675 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 90669456 is about 9522.0510395608. The cubic root of 90669456 is about 449.2488802958.

It can be divided in two parts, 90669 and 456, that added together give a cube (91125 = 45³).

The spelling of 90669456 in words is "ninety million, six hundred sixty-nine thousand, four hundred fifty-six".