404745706 has 8 divisors (see below), whose sum is σ = 608448420. Its totient is φ = 201929568.

The previous prime is 404745659. The next prime is 404745749. The reversal of 404745706 is 607547404.

It can be written as a sum of positive squares in 2 ways, for example, as 397643481 + 7102225 = 19941^2 + 2665^2 .

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

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, 220501 + ... + 222328.

Almost surely, 2^404745706 is an apocalyptic number.

404745706 is a deficient number, since it is larger than the sum of its proper divisors (203702714).

404745706 is a wasteful number, since it uses less digits than its factorization.

404745706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443288.

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 404745706 is about 20118.2928202171. The cubic root of 404745706 is about 739.7087397714.

The spelling of 404745706 in words is "four hundred four million, seven hundred forty-five thousand, seven hundred six".