458390394 has 96 divisors (see below), whose sum is σ = 1292760000. Its totient is φ = 119054880.

The previous prime is 458390377. The next prime is 458390423. The reversal of 458390394 is 493093854.

It is a happy number.

It is a super-2 number, since 2×458390394² = 420243506622950472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21232 + ... + 36980.

It is an arithmetic number, because the mean of its divisors is an integer number (13466250).

Almost surely, 2^458390394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 458390394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646380000).

458390394 is an abundant number, since it is smaller than the sum of its proper divisors (834369606).

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

458390394 is a wasteful number, since it uses less digits than its factorization.

458390394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15785 (or 15772 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 458390394 is about 21410.0535730297. The cubic root of 458390394 is about 771.0428294577.

The spelling of 458390394 in words is "four hundred fifty-eight million, three hundred ninety thousand, three hundred ninety-four".