407047869 has 16 divisors (see below), whose sum is σ = 603505600. Its totient is φ = 271153008.

The previous prime is 407047867. The next prime is 407047873. The reversal of 407047869 is 968740704.

It is not a de Polignac number, because 407047869 - 2¹ = 407047867 is a prime.

It is a super-2 number, since 2×407047869² = 331375935314882322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407047867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34227 + ... + 44559.

It is an arithmetic number, because the mean of its divisors is an integer number (37719100).

Almost surely, 2^407047869 is an apocalyptic number.

It is an amenable number.

407047869 is a deficient number, since it is larger than the sum of its proper divisors (196457731).

407047869 is a wasteful number, since it uses less digits than its factorization.

407047869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11801 (or 11795 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 407047869 is about 20175.4273560686. The cubic root of 407047869 is about 741.1085582400.

The spelling of 407047869 in words is "four hundred seven million, forty-seven thousand, eight hundred sixty-nine".