398483901 has 16 divisors (see below), whose sum is σ = 616014720. Its totient is φ = 254105280.

The previous prime is 398483887. The next prime is 398483929. The reversal of 398483901 is 109384893.

It is not a de Polignac number, because 398483901 - 2⁶ = 398483837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398483101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320220 + ... + 321461.

It is an arithmetic number, because the mean of its divisors is an integer number (38500920).

Almost surely, 2^398483901 is an apocalyptic number.

It is an amenable number.

398483901 is a deficient number, since it is larger than the sum of its proper divisors (217530819).

398483901 is a wasteful number, since it uses less digits than its factorization.

398483901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641713 (or 641707 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 398483901 is about 19962.0615418348. The cubic root of 398483901 is about 735.8742283955.

The spelling of 398483901 in words is "three hundred ninety-eight million, four hundred eighty-three thousand, nine hundred one".