418949814 has 16 divisors (see below), whose sum is σ = 838120752. Its totient is φ = 139613088.

The previous prime is 418949813. The next prime is 418949831.

418949814 is nontrivially palindromic in base 10.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (418949813) 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, 25452 + ... + 38544.

It is an arithmetic number, because the mean of its divisors is an integer number (52382547).

Almost surely, 2^418949814 is an apocalyptic number.

418949814 is an abundant number, since it is smaller than the sum of its proper divisors (419170938).

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

418949814 is a wasteful number, since it uses less digits than its factorization.

418949814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18431.

The product of its digits is 331776, while the sum is 48.

The square root of 418949814 is about 20468.2635804799. The cubic root of 418949814 is about 748.2625345041.

The spelling of 418949814 in words is "four hundred eighteen million, nine hundred forty-nine thousand, eight hundred fourteen".