1396363646 has 16 divisors (see below), whose sum is σ = 2277695376. Its totient is φ = 639351936.

The previous prime is 1396363643. The next prime is 1396363651. The reversal of 1396363646 is 6463636931.

It is a self number, because there is not a number n which added to its sum of digits gives 1396363646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1396363643) 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, 553736 + ... + 556251.

It is an arithmetic number, because the mean of its divisors is an integer number (142355961).

Almost surely, 2^1396363646 is an apocalyptic number.

1396363646 is a deficient number, since it is larger than the sum of its proper divisors (881331730).

1396363646 is a wasteful number, since it uses less digits than its factorization.

1396363646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110043.

The product of its digits is 1259712, while the sum is 47.

The square root of 1396363646 is about 37367.9494486920. The cubic root of 1396363646 is about 1117.7195430041.

The spelling of 1396363646 in words is "one billion, three hundred ninety-six million, three hundred sixty-three thousand, six hundred forty-six".