398050542 has 48 divisors (see below), whose sum is σ = 876601440. Its totient is φ = 130521600.

The previous prime is 398050483. The next prime is 398050553. The reversal of 398050542 is 245050893.

398050542 is a `hidden beast` number, since 39 + 80 + 5 + 0 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 398050497 and 398050506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 385567 + ... + 386597.

It is an arithmetic number, because the mean of its divisors is an integer number (18262530).

Almost surely, 2^398050542 is an apocalyptic number.

398050542 is an abundant number, since it is smaller than the sum of its proper divisors (478550898).

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

398050542 is a wasteful number, since it uses less digits than its factorization.

398050542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369 (or 1366 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 398050542 is about 19951.2040238177. The cubic root of 398050542 is about 735.6073724520.

The spelling of 398050542 in words is "three hundred ninety-eight million, fifty thousand, five hundred forty-two".