398542203 has 24 divisors (see below), whose sum is σ = 610307568. Its totient is φ = 249748992.

The previous prime is 398542171. The next prime is 398542223. The reversal of 398542203 is 302245893.

398542203 is a `hidden beast` number, since 3 + 98 + 542 + 20 + 3 = 666.

It is not a de Polignac number, because 398542203 - 2⁵ = 398542171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (398542223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198975 + ... + 200967.

It is an arithmetic number, because the mean of its divisors is an integer number (25429482).

Almost surely, 2^398542203 is an apocalyptic number.

398542203 is a deficient number, since it is larger than the sum of its proper divisors (211765365).

398542203 is a wasteful number, since it uses less digits than its factorization.

398542203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3323 (or 3320 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 398542203 is about 19963.5218085387. The cubic root of 398542203 is about 735.9101151209.

The spelling of 398542203 in words is "three hundred ninety-eight million, five hundred forty-two thousand, two hundred three".