1408897 has 6 divisors (see below), whose sum is σ = 1638978. Its totient is φ = 1207584.

The previous prime is 1408889. The next prime is 1408961. The reversal of 1408897 is 7988041.

It can be written as a sum of positive squares in only one way, i.e., 1382976 + 25921 = 1176^2 + 161^2 .

It is not a de Polignac number, because 1408897 - 2³ = 1408889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1408817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14328 + ... + 14425.

It is an arithmetic number, because the mean of its divisors is an integer number (273163).

2^1408897 is an apocalyptic number.

It is an amenable number.

1408897 is a deficient number, since it is larger than the sum of its proper divisors (230081).

1408897 is an equidigital number, since it uses as much as digits as its factorization.

1408897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28767 (or 28760 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 1408897 is about 1186.9696710531. The cubic root of 1408897 is about 112.1053695872.

The spelling of 1408897 in words is "one million, four hundred eight thousand, eight hundred ninety-seven".