998886072 has 32 divisors (see below), whose sum is σ = 2509776000. Its totient is φ = 331287264.

The previous prime is 998886047. The next prime is 998886079. The reversal of 998886072 is 270688899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998886079) 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, 99798 + ... + 109349.

It is an arithmetic number, because the mean of its divisors is an integer number (78430500).

Almost surely, 2^998886072 is an apocalyptic number.

It is an amenable number.

998886072 is an abundant number, since it is smaller than the sum of its proper divisors (1510889928).

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

998886072 is a wasteful number, since it uses less digits than its factorization.

998886072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209355 (or 209351 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 57.

The square root of 998886072 is about 31605.1589459696. The cubic root of 998886072 is about 999.6285527107.

The spelling of 998886072 in words is "nine hundred ninety-eight million, eight hundred eighty-six thousand, seventy-two".