1404474521 has 8 divisors (see below), whose sum is σ = 1424369760. Its totient is φ = 1384597152.

The previous prime is 1404474503. The next prime is 1404474541. The reversal of 1404474521 is 1254744041.

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

It is a cyclic number.

It is not a de Polignac number, because 1404474521 - 2¹⁸ = 1404212377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1404474541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275090 + ... + 280148.

It is an arithmetic number, because the mean of its divisors is an integer number (178046220).

Almost surely, 2^1404474521 is an apocalyptic number.

It is an amenable number.

1404474521 is a deficient number, since it is larger than the sum of its proper divisors (19895239).

1404474521 is an equidigital number, since it uses as much as digits as its factorization.

1404474521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8935.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 1404474521 is about 37476.3194697665. The cubic root of 1404474521 is about 1119.8794834716.

The spelling of 1404474521 in words is "one billion, four hundred four million, four hundred seventy-four thousand, five hundred twenty-one".