398092342 has 8 divisors (see below), whose sum is σ = 597267432. Its totient is φ = 199003200.

The previous prime is 398092339. The next prime is 398092399. The reversal of 398092342 is 243290893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 398092295 and 398092304.

It is a congruent number.

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, 8284 + ... + 29407.

It is an arithmetic number, because the mean of its divisors is an integer number (74658429).

Almost surely, 2^398092342 is an apocalyptic number.

398092342 is a deficient number, since it is larger than the sum of its proper divisors (199175090).

398092342 is a wasteful number, since it uses less digits than its factorization.

398092342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42974.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 398092342 is about 19952.2515521432. The cubic root of 398092342 is about 735.6331206997.

The spelling of 398092342 in words is "three hundred ninety-eight million, ninety-two thousand, three hundred forty-two".