1396921367 has 2 divisors, whose sum is σ = 1396921368. Its totient is φ = 1396921366.

The previous prime is 1396921327. The next prime is 1396921381. The reversal of 1396921367 is 7631296931.

It is a strong prime.

It is an emirp because it is prime and its reverse (7631296931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1396921367 - 2⁶ = 1396921303 is a prime.

It is a super-2 number, since 2×1396921367² = 3902778611162297378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1396921327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698460683 + 698460684.

It is an arithmetic number, because the mean of its divisors is an integer number (698460684).

Almost surely, 2^1396921367 is an apocalyptic number.

1396921367 is a deficient number, since it is larger than the sum of its proper divisors (1).

1396921367 is an equidigital number, since it uses as much as digits as its factorization.

1396921367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 367416, while the sum is 47.

The square root of 1396921367 is about 37375.4112619514. The cubic root of 1396921367 is about 1117.8683324896.

The spelling of 1396921367 in words is "one billion, three hundred ninety-six million, nine hundred twenty-one thousand, three hundred sixty-seven".