1400232997 has 4 divisors (see below), whose sum is σ = 1400906016. Its totient is φ = 1399559980.

The previous prime is 1400232983. The next prime is 1400233001. The reversal of 1400232997 is 7992320041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1400232997 - 2¹⁵ = 1400200229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400232947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333379 + ... + 337552.

It is an arithmetic number, because the mean of its divisors is an integer number (350226504).

Almost surely, 2^1400232997 is an apocalyptic number.

It is an amenable number.

1400232997 is a deficient number, since it is larger than the sum of its proper divisors (673019).

1400232997 is an equidigital number, since it uses as much as digits as its factorization.

1400232997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673018.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 1400232997 is about 37419.6872915849. The cubic root of 1400232997 is about 1118.7509984407.

The spelling of 1400232997 in words is "one billion, four hundred million, two hundred thirty-two thousand, nine hundred ninety-seven".