1396993630 has 8 divisors (see below), whose sum is σ = 2514588552. Its totient is φ = 558797448.

The previous prime is 1396993613. The next prime is 1396993679. The reversal of 1396993630 is 363996931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69849672 + ... + 69849691.

It is an arithmetic number, because the mean of its divisors is an integer number (314323569).

Almost surely, 2^1396993630 is an apocalyptic number.

1396993630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1396993630 is a deficient number, since it is larger than the sum of its proper divisors (1117594922).

1396993630 is a wasteful number, since it uses less digits than its factorization.

1396993630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139699370.

The product of its (nonzero) digits is 708588, while the sum is 49.

The square root of 1396993630 is about 37376.3779679091. The cubic root of 1396993630 is about 1117.8876080023.

The spelling of 1396993630 in words is "one billion, three hundred ninety-six million, nine hundred ninety-three thousand, six hundred thirty".