98907444 has 18 divisors (see below), whose sum is σ = 250016130. Its totient is φ = 32969136.

The previous prime is 98907433. The next prime is 98907463. The reversal of 98907444 is 44470989.

It can be written as a sum of positive squares in only one way, i.e., 72897444 + 26010000 = 8538^2 + 5100^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×98907444² = 19565364957226272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 98907444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1373679 + ... + 1373750.

It is an arithmetic number, because the mean of its divisors is an integer number (13889785).

Almost surely, 2^98907444 is an apocalyptic number.

It is an amenable number.

98907444 is an abundant number, since it is smaller than the sum of its proper divisors (151108686).

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

98907444 is a wasteful number, since it uses less digits than its factorization.

98907444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747439 (or 2747434 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 98907444 is about 9945.2221694641. Note that the first 3 decimals coincide. The cubic root of 98907444 is about 462.4622909601.

The spelling of 98907444 in words is "ninety-eight million, nine hundred seven thousand, four hundred forty-four".