406693476 has 72 divisors (see below), whose sum is σ = 1182219584. Its totient is φ = 115473600.

The previous prime is 406693459. The next prime is 406693481. The reversal of 406693476 is 674396604.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36126 + ... + 46026.

Almost surely, 2^406693476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 406693476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (591109792).

406693476 is an abundant number, since it is smaller than the sum of its proper divisors (775526108).

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

406693476 is a wasteful number, since it uses less digits than its factorization.

406693476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10081 (or 10076 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The square root of 406693476 is about 20166.6426556331. The cubic root of 406693476 is about 740.8934156936.

The spelling of 406693476 in words is "four hundred six million, six hundred ninety-three thousand, four hundred seventy-six".