406900769 has 32 divisors (see below), whose sum is σ = 480090240. Its totient is φ = 341286400.

The previous prime is 406900723. The next prime is 406900771. The reversal of 406900769 is 967009604.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406900769 is a prime.

It is a super-2 number, since 2×406900769² = 331136471625582722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (406905769) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 692894 + ... + 693480.

It is an arithmetic number, because the mean of its divisors is an integer number (15002820).

Almost surely, 2^406900769 is an apocalyptic number.

It is an amenable number.

406900769 is a deficient number, since it is larger than the sum of its proper divisors (73189471).

406900769 is a wasteful number, since it uses less digits than its factorization.

406900769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 406900769 is about 20171.7815028817. The cubic root of 406900769 is about 741.0192729150.

The spelling of 406900769 in words is "four hundred six million, nine hundred thousand, seven hundred sixty-nine".