1396940607 has 16 divisors (see below), whose sum is σ = 2070326880. Its totient is φ = 930940416.

The previous prime is 1396940603. The next prime is 1396940653. The reversal of 1396940607 is 7060496931.

1396940607 is a `hidden beast` number, since 1 + 39 + 6 + 9 + 4 + 0 + 607 = 666.

It is not a de Polignac number, because 1396940607 - 2² = 1396940603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396940603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76453 + ... + 92945.

It is an arithmetic number, because the mean of its divisors is an integer number (129395430).

Almost surely, 2^1396940607 is an apocalyptic number.

1396940607 is a deficient number, since it is larger than the sum of its proper divisors (673386273).

1396940607 is a wasteful number, since it uses less digits than its factorization.

1396940607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19639 (or 19633 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 1396940607 is about 37375.6686495372. The cubic root of 1396940607 is about 1117.8734646534.

The spelling of 1396940607 in words is "one billion, three hundred ninety-six million, nine hundred forty thousand, six hundred seven".