1407897 has 12 divisors (see below), whose sum is σ = 2044224. Its totient is φ = 933720.

The previous prime is 1407893. The next prime is 1407937. The reversal of 1407897 is 7987041.

It is not a de Polignac number, because 1407897 - 2² = 1407893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1407893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2548 + ... + 3050.

It is an arithmetic number, because the mean of its divisors is an integer number (170352).

2^1407897 is an apocalyptic number.

It is an amenable number.

1407897 is a deficient number, since it is larger than the sum of its proper divisors (636327).

1407897 is a wasteful number, since it uses less digits than its factorization.

1407897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820 (or 817 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 1407897 is about 1186.5483555254. The cubic root of 1407897 is about 112.0788401098.

It can be divided in two parts, 1407 and 897, that added together give a square (2304 = 48²).

The spelling of 1407897 in words is "one million, four hundred seven thousand, eight hundred ninety-seven".