814705490 has 16 divisors (see below), whose sum is σ = 1480177152. Its totient is φ = 322836144.

The previous prime is 814705487. The next prime is 814705511. The reversal of 814705490 is 94507418.

814705490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×814705490² = 1327490070872280200, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379634 + ... + 381773.

It is an arithmetic number, because the mean of its divisors is an integer number (92511072).

Almost surely, 2^814705490 is an apocalyptic number.

814705490 is a deficient number, since it is larger than the sum of its proper divisors (665471662).

814705490 is a wasteful number, since it uses less digits than its factorization.

814705490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761521.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 814705490 is about 28543.0462634947. The cubic root of 814705490 is about 933.9713357459.

The spelling of 814705490 in words is "eight hundred fourteen million, seven hundred five thousand, four hundred ninety".