1397814466 has 32 divisors (see below), whose sum is σ = 2228175360. Its totient is φ = 656308224.

The previous prime is 1397814463. The next prime is 1397814479. The reversal of 1397814466 is 6644187931.

It is a super-3 number, since 3×1397814466³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1397814461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 700366 + ... + 702358.

It is an arithmetic number, because the mean of its divisors is an integer number (69630480).

Almost surely, 2^1397814466 is an apocalyptic number.

1397814466 is a deficient number, since it is larger than the sum of its proper divisors (830360894).

1397814466 is a wasteful number, since it uses less digits than its factorization.

1397814466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290.

The product of its digits is 870912, while the sum is 49.

The square root of 1397814466 is about 37387.3570341633. The cubic root of 1397814466 is about 1118.1065120621.

The spelling of 1397814466 in words is "one billion, three hundred ninety-seven million, eight hundred fourteen thousand, four hundred sixty-six".