1396897015 has 16 divisors (see below), whose sum is σ = 1689648480. Its totient is φ = 1108638720.

The previous prime is 1396897013. The next prime is 1396897037. The reversal of 1396897015 is 5107986931.

It is not a de Polignac number, because 1396897015 - 2¹ = 1396897013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1396897015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396897013) 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, 353571 + ... + 357499.

It is an arithmetic number, because the mean of its divisors is an integer number (105603030).

Almost surely, 2^1396897015 is an apocalyptic number.

1396897015 is a deficient number, since it is larger than the sum of its proper divisors (292751465).

1396897015 is a wasteful number, since it uses less digits than its factorization.

1396897015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4482.

The product of its (nonzero) digits is 408240, while the sum is 49.

The square root of 1396897015 is about 37375.0854848521. The cubic root of 1396897015 is about 1117.8618366604.

The spelling of 1396897015 in words is "one billion, three hundred ninety-six million, eight hundred ninety-seven thousand, fifteen".