398045592 has 192 divisors, whose sum is σ = 1309651200. Its totient is φ = 106686720.

The previous prime is 398045591. The next prime is 398045597. The reversal of 398045592 is 295540893.

398045592 is a `hidden beast` number, since 3 + 98 + 0 + 4 + 559 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398045591) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1886367 + ... + 1886577.

It is an arithmetic number, because the mean of its divisors is an integer number (6821100).

Almost surely, 2^398045592 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 398045592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654825600).

398045592 is an abundant number, since it is smaller than the sum of its proper divisors (911605608).

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

398045592 is a wasteful number, since it uses less digits than its factorization.

398045592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 398045592 is about 19951.0799707685. The cubic root of 398045592 is about 735.6043231980.

The spelling of 398045592 in words is "three hundred ninety-eight million, forty-five thousand, five hundred ninety-two".