89890492 has 12 divisors (see below), whose sum is σ = 166561920. Its totient is φ = 42301376.

The previous prime is 89890487. The next prime is 89890499. The reversal of 89890492 is 29409898.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89890499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660892 + ... + 661027.

It is an arithmetic number, because the mean of its divisors is an integer number (13880160).

Almost surely, 2^89890492 is an apocalyptic number.

It is an amenable number.

89890492 is a deficient number, since it is larger than the sum of its proper divisors (76671428).

89890492 is a wasteful number, since it uses less digits than its factorization.

89890492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321940 (or 1321938 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 89890492 is about 9481.0596454194. The cubic root of 89890492 is about 447.9586417496.

The spelling of 89890492 in words is "eighty-nine million, eight hundred ninety thousand, four hundred ninety-two".