409742214 has 24 divisors (see below), whose sum is σ = 953278488. Its totient is φ = 117069120.

The previous prime is 409742213. The next prime is 409742231. The reversal of 409742214 is 412247904.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409742213) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 696547 + ... + 697134.

It is an arithmetic number, because the mean of its divisors is an integer number (39719937).

Almost surely, 2^409742214 is an apocalyptic number.

409742214 is an abundant number, since it is smaller than the sum of its proper divisors (543536274).

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

409742214 is a wasteful number, since it uses less digits than its factorization.

409742214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393700 (or 1393693 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 409742214 is about 20242.0901588744. The cubic root of 409742214 is about 742.7401538121.

The spelling of 409742214 in words is "four hundred nine million, seven hundred forty-two thousand, two hundred fourteen".