1396481717 has 16 divisors (see below), whose sum is σ = 1449150912. Its totient is φ = 1344860160.

The previous prime is 1396481693. The next prime is 1396481761. The reversal of 1396481717 is 7171846931.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1396481717 is a prime.

It is a super-2 number, since 2×1396481717² = 3900322371830536178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396481017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1181867 + ... + 1183047.

It is an arithmetic number, because the mean of its divisors is an integer number (90571932).

Almost surely, 2^1396481717 is an apocalyptic number.

It is an amenable number.

1396481717 is a deficient number, since it is larger than the sum of its proper divisors (52669195).

1396481717 is a wasteful number, since it uses less digits than its factorization.

1396481717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588.

The product of its digits is 254016, while the sum is 47.

The square root of 1396481717 is about 37369.5292584747. The cubic root of 1396481717 is about 1117.7510454342.

The spelling of 1396481717 in words is "one billion, three hundred ninety-six million, four hundred eighty-one thousand, seven hundred seventeen".