398800046 has 4 divisors (see below), whose sum is σ = 598200072. Its totient is φ = 199400022.

The previous prime is 398800033. The next prime is 398800069. The reversal of 398800046 is 640008893.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 398799982 and 398800009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99700010 + ... + 99700013.

It is an arithmetic number, because the mean of its divisors is an integer number (149550018).

Almost surely, 2^398800046 is an apocalyptic number.

398800046 is a deficient number, since it is larger than the sum of its proper divisors (199400026).

398800046 is a wasteful number, since it uses less digits than its factorization.

398800046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199400025.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 398800046 is about 19969.9786179154. The cubic root of 398800046 is about 736.0687836924.

The spelling of 398800046 in words is "three hundred ninety-eight million, eight hundred thousand, forty-six".