1394603420 has 48 divisors (see below), whose sum is σ = 3523215360. Its totient is φ = 452983104.

The previous prime is 1394603377. The next prime is 1394603447. The reversal of 1394603420 is 243064931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259484 + ... + 264803.

It is an arithmetic number, because the mean of its divisors is an integer number (73400320).

Almost surely, 2^1394603420 is an apocalyptic number.

1394603420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1394603420 is an abundant number, since it is smaller than the sum of its proper divisors (2128611940).

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

1394603420 is a wasteful number, since it uses less digits than its factorization.

1394603420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524322 (or 524320 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 1394603420 is about 37344.3894045679. The cubic root of 1394603420 is about 1117.2496877747.

The spelling of 1394603420 in words is "one billion, three hundred ninety-four million, six hundred three thousand, four hundred twenty".