998203156 has 12 divisors (see below), whose sum is σ = 1748668768. Its totient is φ = 498583512.

The previous prime is 998203153. The next prime is 998203159. The reversal of 998203156 is 651302899.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (998203153) and next prime (998203159).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998203153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125166 + ... + 132901.

Almost surely, 2^998203156 is an apocalyptic number.

It is an amenable number.

998203156 is a deficient number, since it is larger than the sum of its proper divisors (750465612).

998203156 is a wasteful number, since it uses less digits than its factorization.

998203156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259038 (or 259036 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 998203156 is about 31594.3532296517. The cubic root of 998203156 is about 999.4006929028.

The spelling of 998203156 in words is "nine hundred ninety-eight million, two hundred three thousand, one hundred fifty-six".