90399676 has 12 divisors (see below), whose sum is σ = 167505408. Its totient is φ = 42540992.

The previous prime is 90399671. The next prime is 90399677. The reversal of 90399676 is 67699309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90399671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664636 + ... + 664771.

It is an arithmetic number, because the mean of its divisors is an integer number (13958784).

Almost surely, 2^90399676 is an apocalyptic number.

It is an amenable number.

90399676 is a deficient number, since it is larger than the sum of its proper divisors (77105732).

90399676 is a wasteful number, since it uses less digits than its factorization.

90399676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329428 (or 1329426 counting only the distinct ones).

The product of its (nonzero) digits is 551124, while the sum is 49.

The square root of 90399676 is about 9507.8744207104. The cubic root of 90399676 is about 448.8028691367.

The spelling of 90399676 in words is "ninety million, three hundred ninety-nine thousand, six hundred seventy-six".