474457856 has 54 divisors (see below), whose sum is σ = 968794680. Its totient is φ = 231904768.

The previous prime is 474457853. The next prime is 474457859. The reversal of 474457856 is 658754474.

It is an interprime number because it is at equal distance from previous prime (474457853) and next prime (474457859).

It is a super-2 number, since 2×474457856² = 450220514240233472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474457853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 565085 + ... + 565923.

Almost surely, 2^474457856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 474457856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484397340).

474457856 is an abundant number, since it is smaller than the sum of its proper divisors (494336824).

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

474457856 is an frugal number, since it uses more digits than its factorization.

474457856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949 (or 888 counting only the distinct ones).

The product of its digits is 3763200, while the sum is 50.

The square root of 474457856 is about 21782.0535303722. The cubic root of 474457856 is about 779.9484164879.

The spelling of 474457856 in words is "four hundred seventy-four million, four hundred fifty-seven thousand, eight hundred fifty-six".