406474682 has 8 divisors (see below), whose sum is σ = 613804500. Its totient is φ = 201873184.

The previous prime is 406474681. The next prime is 406474687. The reversal of 406474682 is 286474604.

It can be written as a sum of positive squares in 2 ways, for example, as 406385281 + 89401 = 20159^2 + 299^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×406474682² = 330443334214002248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (406474681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681707 + ... + 682302.

Almost surely, 2^406474682 is an apocalyptic number.

406474682 is a deficient number, since it is larger than the sum of its proper divisors (207329818).

406474682 is a wasteful number, since it uses less digits than its factorization.

406474682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364160.

The product of its (nonzero) digits is 258048, while the sum is 41.

The square root of 406474682 is about 20161.2172747580. The cubic root of 406474682 is about 740.7605292802.

The spelling of 406474682 in words is "four hundred six million, four hundred seventy-four thousand, six hundred eighty-two".