98023540 has 12 divisors (see below), whose sum is σ = 205849476. Its totient is φ = 39209408.

The previous prime is 98023537. The next prime is 98023571. The reversal of 98023540 is 4532089.

It can be written as a sum of positive squares in 2 ways, for example, as 43322724 + 54700816 = 6582^2 + 7396^2 .

It is a super-2 number, since 2×98023540² = 19217228788263200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2450569 + ... + 2450608.

It is an arithmetic number, because the mean of its divisors is an integer number (17154123).

Almost surely, 2^98023540 is an apocalyptic number.

It is an amenable number.

98023540 is an abundant number, since it is smaller than the sum of its proper divisors (107825936).

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

98023540 is a wasteful number, since it uses less digits than its factorization.

98023540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4901186 (or 4901184 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 98023540 is about 9900.6838147675. The cubic root of 98023540 is about 461.0805411044.

The spelling of 98023540 in words is "ninety-eight million, twenty-three thousand, five hundred forty".