406157214 has 16 divisors (see below), whose sum is σ = 834269328. Its totient is φ = 131726592.

The previous prime is 406157203. The next prime is 406157237. The reversal of 406157214 is 412751604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 914547 + ... + 914990.

It is an arithmetic number, because the mean of its divisors is an integer number (52141833).

Almost surely, 2^406157214 is an apocalyptic number.

406157214 is an abundant number, since it is smaller than the sum of its proper divisors (428112114).

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

406157214 is a wasteful number, since it uses less digits than its factorization.

406157214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829579.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 406157214 is about 20153.3425019276. The cubic root of 406157214 is about 740.5676275449.

The spelling of 406157214 in words is "four hundred six million, one hundred fifty-seven thousand, two hundred fourteen".