401074609 has 4 divisors (see below), whose sum is σ = 431926516. Its totient is φ = 370222704.

The previous prime is 401074603. The next prime is 401074613. The reversal of 401074609 is 906470104.

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 63250209 + 337824400 = 7953^2 + 18380^2 .

It is a cyclic number.

It is not a de Polignac number, because 401074609 - 2³ = 401074601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401074601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15425934 + ... + 15425959.

It is an arithmetic number, because the mean of its divisors is an integer number (107981629).

Almost surely, 2^401074609 is an apocalyptic number.

It is an amenable number.

401074609 is a deficient number, since it is larger than the sum of its proper divisors (30851907).

401074609 is a wasteful number, since it uses less digits than its factorization.

401074609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30851906.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 401074609 is about 20026.8472056887. The cubic root of 401074609 is about 737.4655253060.

The spelling of 401074609 in words is "four hundred one million, seventy-four thousand, six hundred nine".