404416867 has 4 divisors (see below), whose sum is σ = 404689960. Its totient is φ = 404143776.

The previous prime is 404416853. The next prime is 404416913. The reversal of 404416867 is 768614404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404416867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404416847) 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, 134313 + ... + 137290.

It is an arithmetic number, because the mean of its divisors is an integer number (101172490).

Almost surely, 2^404416867 is an apocalyptic number.

404416867 is a deficient number, since it is larger than the sum of its proper divisors (273093).

404416867 is a wasteful number, since it uses less digits than its factorization.

404416867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273092.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 404416867 is about 20110.1185227736. The cubic root of 404416867 is about 739.5083579976.

The spelling of 404416867 in words is "four hundred four million, four hundred sixteen thousand, eight hundred sixty-seven".