90427446 has 48 divisors (see below), whose sum is σ = 200322720. Its totient is φ = 29473920.

The previous prime is 90427439. The next prime is 90427453. The reversal of 90427446 is 64472409.

It is an interprime number because it is at equal distance from previous prime (90427439) and next prime (90427453).

It is a self number, because there is not a number n which added to its sum of digits gives 90427446.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220890 + ... + 221298.

It is an arithmetic number, because the mean of its divisors is an integer number (4173390).

Almost surely, 2^90427446 is an apocalyptic number.

90427446 is an abundant number, since it is smaller than the sum of its proper divisors (109895274).

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

90427446 is a wasteful number, since it uses less digits than its factorization.

90427446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 90427446 is about 9509.3346770423. The cubic root of 90427446 is about 448.8488205539.

The spelling of 90427446 in words is "ninety million, four hundred twenty-seven thousand, four hundred forty-six".