998920396 has 12 divisors (see below), whose sum is σ = 1755614952. Its totient is φ = 497316128.

The previous prime is 998920387. The next prime is 998920411. The reversal of 998920396 is 693029899.

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, 534970 + ... + 536833.

It is an arithmetic number, because the mean of its divisors is an integer number (146301246).

Almost surely, 2^998920396 is an apocalyptic number.

It is an amenable number.

998920396 is a deficient number, since it is larger than the sum of its proper divisors (756694556).

998920396 is a wasteful number, since it uses less digits than its factorization.

998920396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072040 (or 1072038 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 55.

The square root of 998920396 is about 31605.7019539196. The cubic root of 998920396 is about 999.6400024173.

It can be divided in two parts, 99892039 and 6, that added together give a triangular number (99892045 = T₁₄₁₃₄).

The spelling of 998920396 in words is "nine hundred ninety-eight million, nine hundred twenty thousand, three hundred ninety-six".