1406899 has 4 divisors (see below), whose sum is σ = 1515136. Its totient is φ = 1298664.

The previous prime is 1406897. The next prime is 1406927. The reversal of 1406899 is 9986041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1406899 - 2¹ = 1406897 is a prime.

It is a Duffinian number.

1406899 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1406897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54099 + ... + 54124.

It is an arithmetic number, because the mean of its divisors is an integer number (378784).

2^1406899 is an apocalyptic number.

1406899 is a deficient number, since it is larger than the sum of its proper divisors (108237).

1406899 is a wasteful number, since it uses less digits than its factorization.

1406899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108236.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 1406899 is about 1186.1277334250. The cubic root of 1406899 is about 112.0523511639.

The spelling of 1406899 in words is "one million, four hundred six thousand, eight hundred ninety-nine".