404742746 has 8 divisors (see below), whose sum is σ = 621233184. Its totient is φ = 197665020.

The previous prime is 404742739. The next prime is 404742757. The reversal of 404742746 is 647247404.

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, 2353070 + ... + 2353241.

It is an arithmetic number, because the mean of its divisors is an integer number (77654148).

Almost surely, 2^404742746 is an apocalyptic number.

404742746 is a deficient number, since it is larger than the sum of its proper divisors (216490438).

404742746 is a wasteful number, since it uses less digits than its factorization.

404742746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4706356.

The product of its (nonzero) digits is 150528, while the sum is 38.

The square root of 404742746 is about 20118.2192551925. The cubic root of 404742746 is about 739.7069365460.

The spelling of 404742746 in words is "four hundred four million, seven hundred forty-two thousand, seven hundred forty-six".