1396973420 has 48 divisors (see below), whose sum is σ = 2972719008. Its totient is φ = 551385600.

The previous prime is 1396973411. The next prime is 1396973507. The reversal of 1396973420 is 243796931.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 699944 + ... + 701936.

It is an arithmetic number, because the mean of its divisors is an integer number (61931646).

Almost surely, 2^1396973420 is an apocalyptic number.

1396973420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1396973420 is an abundant number, since it is smaller than the sum of its proper divisors (1575745588).

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

1396973420 is a wasteful number, since it uses less digits than its factorization.

1396973420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450 (or 2448 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 1396973420 is about 37376.1076090061. The cubic root of 1396973420 is about 1117.8822172314.

The spelling of 1396973420 in words is "one billion, three hundred ninety-six million, nine hundred seventy-three thousand, four hundred twenty".