464389398 has 24 divisors (see below), whose sum is σ = 1097648136. Its totient is φ = 140724000.

The previous prime is 464389351. The next prime is 464389403. The reversal of 464389398 is 893983464.

It is a happy number.

464389398 is a `hidden beast` number, since 464 + 3 + 8 + 93 + 98 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1172503 + ... + 1172898.

It is an arithmetic number, because the mean of its divisors is an integer number (45735339).

Almost surely, 2^464389398 is an apocalyptic number.

464389398 is an abundant number, since it is smaller than the sum of its proper divisors (633258738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

464389398 is a wasteful number, since it uses less digits than its factorization.

464389398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345420 (or 2345417 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The square root of 464389398 is about 21549.6960071366. The cubic root of 464389398 is about 774.3918353329.

The spelling of 464389398 in words is "four hundred sixty-four million, three hundred eighty-nine thousand, three hundred ninety-eight".