998524774 has 16 divisors (see below), whose sum is σ = 1624781088. Its totient is φ = 457492032.

The previous prime is 998524763. The next prime is 998524811. The reversal of 998524774 is 477425899.

998524774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136602 + ... + 143725.

It is an arithmetic number, because the mean of its divisors is an integer number (101548818).

Almost surely, 2^998524774 is an apocalyptic number.

998524774 is a deficient number, since it is larger than the sum of its proper divisors (626256314).

998524774 is a wasteful number, since it uses less digits than its factorization.

998524774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280479.

The product of its digits is 5080320, while the sum is 55.

The square root of 998524774 is about 31599.4426216666. The cubic root of 998524774 is about 999.5080159914.

The spelling of 998524774 in words is "nine hundred ninety-eight million, five hundred twenty-four thousand, seven hundred seventy-four".