98990655 has 16 divisors (see below), whose sum is σ = 158980320. Its totient is φ = 52596608.

The previous prime is 98990653. The next prime is 98990663. The reversal of 98990655 is 55609989.

It is a cyclic number.

It is not a de Polignac number, because 98990655 - 2¹ = 98990653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98990598 and 98990607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98990653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8232 + ... + 16301.

It is an arithmetic number, because the mean of its divisors is an integer number (9936270).

Almost surely, 2^98990655 is an apocalyptic number.

98990655 is a deficient number, since it is larger than the sum of its proper divisors (59989665).

98990655 is a wasteful number, since it uses less digits than its factorization.

98990655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24810.

The product of its (nonzero) digits is 874800, while the sum is 51.

The square root of 98990655 is about 9949.4047560646. The cubic root of 98990655 is about 462.5919447103.

The spelling of 98990655 in words is "ninety-eight million, nine hundred ninety thousand, six hundred fifty-five".