406401196 has 24 divisors (see below), whose sum is σ = 735073920. Its totient is φ = 196396800.

The previous prime is 406401187. The next prime is 406401197. The reversal of 406401196 is 691104604.

It is a super-2 number, since 2×406401196² = 330323864220460832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (406401197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130020 + ... + 133108.

It is an arithmetic number, because the mean of its divisors is an integer number (30628080).

Almost surely, 2^406401196 is an apocalyptic number.

It is an amenable number.

406401196 is a deficient number, since it is larger than the sum of its proper divisors (328672724).

406401196 is a wasteful number, since it uses less digits than its factorization.

406401196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4185 (or 4183 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 406401196 is about 20159.3947329775. The cubic root of 406401196 is about 740.7158862299.

The spelling of 406401196 in words is "four hundred six million, four hundred one thousand, one hundred ninety-six".