1396762646 has 16 divisors (see below), whose sum is σ = 2103383040. Its totient is φ = 695640960.

The previous prime is 1396762613. The next prime is 1396762649. The reversal of 1396762646 is 6462676931.

It is a junction number, because it is equal to n+sod(n) for n = 1396762594 and 1396762603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396762649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1076270 + ... + 1077566.

It is an arithmetic number, because the mean of its divisors is an integer number (131461440).

Almost surely, 2^1396762646 is an apocalyptic number.

1396762646 is a deficient number, since it is larger than the sum of its proper divisors (706620394).

1396762646 is a wasteful number, since it uses less digits than its factorization.

1396762646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2999.

The product of its digits is 1959552, while the sum is 50.

The square root of 1396762646 is about 37373.2878671385. The cubic root of 1396762646 is about 1117.8259927406.

The spelling of 1396762646 in words is "one billion, three hundred ninety-six million, seven hundred sixty-two thousand, six hundred forty-six".