398023802 has 8 divisors (see below), whose sum is σ = 651311712. Its totient is φ = 180919900.

The previous prime is 398023789. The next prime is 398023817. The reversal of 398023802 is 208320893.

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

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, 9045974 + ... + 9046017.

It is an arithmetic number, because the mean of its divisors is an integer number (81413964).

Almost surely, 2^398023802 is an apocalyptic number.

398023802 is a deficient number, since it is larger than the sum of its proper divisors (253287910).

398023802 is a wasteful number, since it uses less digits than its factorization.

398023802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18092004.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 398023802 is about 19950.5338775683. The cubic root of 398023802 is about 735.5909000198.

The spelling of 398023802 in words is "three hundred ninety-eight million, twenty-three thousand, eight hundred two".