1396241764 has 12 divisors (see below), whose sum is σ = 2448726588. Its totient is φ = 696605600.

The previous prime is 1396241753. The next prime is 1396241789. The reversal of 1396241764 is 4671426931.

It can be written as a sum of positive squares in 2 ways, for example, as 973939264 + 422302500 = 31208^2 + 20550^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1396241764.

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, 376747 + ... + 380434.

It is an arithmetic number, because the mean of its divisors is an integer number (204060549).

Almost surely, 2^1396241764 is an apocalyptic number.

It is an amenable number.

1396241764 is a deficient number, since it is larger than the sum of its proper divisors (1052484824).

1396241764 is a wasteful number, since it uses less digits than its factorization.

1396241764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757646 (or 757644 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The square root of 1396241764 is about 37366.3185770287. The cubic root of 1396241764 is about 1117.6870219012.

The spelling of 1396241764 in words is "one billion, three hundred ninety-six million, two hundred forty-one thousand, seven hundred sixty-four".