398464461 has 16 divisors (see below), whose sum is σ = 596053120. Its totient is φ = 263062080.

The previous prime is 398464453. The next prime is 398464501. The reversal of 398464461 is 164464893.

It is not a de Polignac number, because 398464461 - 2³ = 398464453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398464061) 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, 68860 + ... + 74421.

It is an arithmetic number, because the mean of its divisors is an integer number (37253320).

Almost surely, 2^398464461 is an apocalyptic number.

It is an amenable number.

398464461 is a deficient number, since it is larger than the sum of its proper divisors (197588659).

398464461 is a wasteful number, since it uses less digits than its factorization.

398464461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143393 (or 143387 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 398464461 is about 19961.5746122394. The cubic root of 398464461 is about 735.8622616823.

The spelling of 398464461 in words is "three hundred ninety-eight million, four hundred sixty-four thousand, four hundred sixty-one".