1400897 has 4 divisors (see below), whose sum is σ = 1433520. Its totient is φ = 1368276.

The previous prime is 1400891. The next prime is 1400899. The reversal of 1400897 is 7980041.

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 1400897 - 2⁴ = 1400881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16247 + ... + 16332.

It is an arithmetic number, because the mean of its divisors is an integer number (358380).

2^1400897 is an apocalyptic number.

It is an amenable number.

1400897 is a deficient number, since it is larger than the sum of its proper divisors (32623).

1400897 is an equidigital number, since it uses as much as digits as its factorization.

1400897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32622.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1400897 is about 1183.5949476067. The cubic root of 1400897 is about 111.8927811069.

It can be divided in two parts, 14008 and 97, that multiplied together give a triangular number (1358776 = T₁₆₄₈).

The spelling of 1400897 in words is "one million, four hundred thousand, eight hundred ninety-seven".