1396819914 has 64 divisors (see below), whose sum is σ = 3232137216. Its totient is φ = 394196544.

The previous prime is 1396819901. The next prime is 1396819981. The reversal of 1396819914 is 4199186931.

It is a super-2 number, since 2×1396819914² = 3902211744293934792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1637112 + ... + 1637964.

It is an arithmetic number, because the mean of its divisors is an integer number (50502144).

Almost surely, 2^1396819914 is an apocalyptic number.

1396819914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1396819914 is an abundant number, since it is smaller than the sum of its proper divisors (1835317302).

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

1396819914 is a wasteful number, since it uses less digits than its factorization.

1396819914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299.

The product of its digits is 419904, while the sum is 51.

The square root of 1396819914 is about 37374.0540214732. The cubic root of 1396819914 is about 1117.8412696822.

The spelling of 1396819914 in words is "one billion, three hundred ninety-six million, eight hundred nineteen thousand, nine hundred fourteen".