98944990 has 16 divisors (see below), whose sum is σ = 178617600. Its totient is φ = 39463200.

The previous prime is 98944973. The next prime is 98944991. The reversal of 98944990 is 9944989.

It is a super-2 number, since 2×98944990² = 19580222092200200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98944991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10686 + ... + 17665.

It is an arithmetic number, because the mean of its divisors is an integer number (11163600).

Almost surely, 2^98944990 is an apocalyptic number.

98944990 is a deficient number, since it is larger than the sum of its proper divisors (79672610).

98944990 is a wasteful number, since it uses less digits than its factorization.

98944990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28707.

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 98944990 is about 9947.1096304404. The cubic root of 98944990 is about 462.5208015967.

It can be divided in two parts, 9894 and 4990, that added together give a square (14884 = 122²).

The spelling of 98944990 in words is "ninety-eight million, nine hundred forty-four thousand, nine hundred ninety".