457897390 has 8 divisors (see below), whose sum is σ = 824215320. Its totient is φ = 183158952.

The previous prime is 457897387. The next prime is 457897399. The reversal of 457897390 is 93798754.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457897399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22894860 + ... + 22894879.

It is an arithmetic number, because the mean of its divisors is an integer number (103026915).

Almost surely, 2^457897390 is an apocalyptic number.

457897390 is a deficient number, since it is larger than the sum of its proper divisors (366317930).

457897390 is a wasteful number, since it uses less digits than its factorization.

457897390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45789746.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The square root of 457897390 is about 21398.5370995309. The cubic root of 457897390 is about 770.7663085689.

The spelling of 457897390 in words is "four hundred fifty-seven million, eight hundred ninety-seven thousand, three hundred ninety".