404864067 has 6 divisors (see below), whose sum is σ = 539865228. Its totient is φ = 269886144.

The previous prime is 404864029. The next prime is 404864071. The reversal of 404864067 is 760468404.

It is not a de Polignac number, because 404864067 - 2¹¹ = 404862019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404864087) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29043 + ... + 40659.

It is an arithmetic number, because the mean of its divisors is an integer number (89977538).

Almost surely, 2^404864067 is an apocalyptic number.

404864067 is a deficient number, since it is larger than the sum of its proper divisors (135001161).

404864067 is an frugal number, since it uses more digits than its factorization.

404864067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23237 (or 11620 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 404864067 is about 20121.2342315276. The cubic root of 404864067 is about 739.7808378253.

The spelling of 404864067 in words is "four hundred four million, eight hundred sixty-four thousand, sixty-seven".