406164274 has 4 divisors (see below), whose sum is σ = 609246414. Its totient is φ = 203082136.

The previous prime is 406164259. The next prime is 406164287. The reversal of 406164274 is 472461604.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 333318049 + 72846225 = 18257^2 + 8535^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101541067 + ... + 101541070.

Almost surely, 2^406164274 is an apocalyptic number.

406164274 is a deficient number, since it is larger than the sum of its proper divisors (203082140).

406164274 is a wasteful number, since it uses less digits than its factorization.

406164274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203082139.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 406164274 is about 20153.5176582154. The cubic root of 406164274 is about 740.5719184755.

The spelling of 406164274 in words is "four hundred six million, one hundred sixty-four thousand, two hundred seventy-four".