1406314397 has 2 divisors, whose sum is σ = 1406314398. Its totient is φ = 1406314396.

The previous prime is 1406314387. The next prime is 1406314417. The reversal of 1406314397 is 7934136041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 843960601 + 562353796 = 29051^2 + 23714^2 .

It is a cyclic number.

It is not a de Polignac number, because 1406314397 - 2⁶ = 1406314333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1406314397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1406314387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703157198 + 703157199.

It is an arithmetic number, because the mean of its divisors is an integer number (703157199).

Almost surely, 2^1406314397 is an apocalyptic number.

It is an amenable number.

1406314397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406314397 is an equidigital number, since it uses as much as digits as its factorization.

1406314397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 1406314397 is about 37500.8586168370. The cubic root of 1406314397 is about 1120.3682879499.

The spelling of 1406314397 in words is "one billion, four hundred six million, three hundred fourteen thousand, three hundred ninety-seven".