814694244 has 72 divisors (see below), whose sum is σ = 2352530880. Its totient is φ = 214860672.

The previous prime is 814694191. The next prime is 814694261. The reversal of 814694244 is 442496418.

It is a super-2 number, since 2×814694244² = 1327453422413463072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 814694196 and 814694205.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14499 + ... + 42890.

It is an arithmetic number, because the mean of its divisors is an integer number (32674040).

Almost surely, 2^814694244 is an apocalyptic number.

814694244 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

814694244 is an abundant number, since it is smaller than the sum of its proper divisors (1537836636).

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

814694244 is a wasteful number, since it uses less digits than its factorization.

814694244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57429 (or 57414 counting only the distinct ones).

The product of its digits is 221184, while the sum is 42.

The square root of 814694244 is about 28542.8492621182. The cubic root of 814694244 is about 933.9670382870.

The spelling of 814694244 in words is "eight hundred fourteen million, six hundred ninety-four thousand, two hundred forty-four".