404151233 has 4 divisors (see below), whose sum is σ = 407101380. Its totient is φ = 401201088.

The previous prime is 404151229. The next prime is 404151263. The reversal of 404151233 is 332151404.

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 160073104 + 244078129 = 12652^2 + 15623^2 .

It is a cyclic number.

It is not a de Polignac number, because 404151233 - 2² = 404151229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404151199 and 404151208.

It is not an unprimeable number, because it can be changed into a prime (404151203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1474868 + ... + 1475141.

It is an arithmetic number, because the mean of its divisors is an integer number (101775345).

Almost surely, 2^404151233 is an apocalyptic number.

It is an amenable number.

404151233 is a deficient number, since it is larger than the sum of its proper divisors (2950147).

404151233 is a wasteful number, since it uses less digits than its factorization.

404151233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2950146.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 404151233 is about 20103.5129517207. The cubic root of 404151233 is about 739.3464115805.

The spelling of 404151233 in words is "four hundred four million, one hundred fifty-one thousand, two hundred thirty-three".