406606297 has 8 divisors (see below), whose sum is σ = 417070280. Its totient is φ = 396264960.

The previous prime is 406606267. The next prime is 406606331. The reversal of 406606297 is 792606604.

It can be written as a sum of positive squares in 4 ways, for example, as 106069401 + 300536896 = 10299^2 + 17336^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406606297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406606247) 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, 23928 + ... + 37225.

It is an arithmetic number, because the mean of its divisors is an integer number (52133785).

Almost surely, 2^406606297 is an apocalyptic number.

It is an amenable number.

406606297 is a deficient number, since it is larger than the sum of its proper divisors (10463983).

406606297 is a wasteful number, since it uses less digits than its factorization.

406606297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61323.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 406606297 is about 20164.4810744041. The cubic root of 406606297 is about 740.8404724931.

The spelling of 406606297 in words is "four hundred six million, six hundred six thousand, two hundred ninety-seven".