405830796 has 48 divisors (see below), whose sum is σ = 1117132800. Its totient is φ = 112210560.

The previous prime is 405830767. The next prime is 405830797. The reversal of 405830796 is 697038504.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (405830797) 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, 75321 + ... + 80528.

It is an arithmetic number, because the mean of its divisors is an integer number (23273600).

Almost surely, 2^405830796 is an apocalyptic number.

It is an amenable number.

405830796 is an abundant number, since it is smaller than the sum of its proper divisors (711302004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

405830796 is a wasteful number, since it uses less digits than its factorization.

405830796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155894 (or 155892 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 405830796 is about 20145.2425152938. The cubic root of 405830796 is about 740.3691827202.

The spelling of 405830796 in words is "four hundred five million, eight hundred thirty thousand, seven hundred ninety-six".