474990385 has 4 divisors (see below), whose sum is σ = 569988468. Its totient is φ = 379992304.

The previous prime is 474990377. The next prime is 474990407. The reversal of 474990385 is 583099474.

Added to its reverse (583099474) it gives a cube (1058089859 = 1019³).

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76947984 + 398042401 = 8772^2 + 19951^2 .

It is a cyclic number.

It is not a de Polignac number, because 474990385 - 2³ = 474990377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47499034 + ... + 47499043.

It is an arithmetic number, because the mean of its divisors is an integer number (142497117).

Almost surely, 2^474990385 is an apocalyptic number.

It is an amenable number.

474990385 is a deficient number, since it is larger than the sum of its proper divisors (94998083).

474990385 is an equidigital number, since it uses as much as digits as its factorization.

474990385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94998082.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 474990385 is about 21794.2741333590. The cubic root of 474990385 is about 780.2401107154.

Adding to 474990385 its reverse (583099474), we get a cube (1058089859 = 1019³).

The spelling of 474990385 in words is "four hundred seventy-four million, nine hundred ninety thousand, three hundred eighty-five".