1405868 has 12 divisors (see below), whose sum is σ = 2468592. Its totient is φ = 700560.

The previous prime is 1405841. The next prime is 1405879. The reversal of 1405868 is 8685041.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1913 + ... + 2543.

It is an arithmetic number, because the mean of its divisors is an integer number (205716).

2^1405868 is an apocalyptic number.

It is an amenable number.

1405868 is a deficient number, since it is larger than the sum of its proper divisors (1062724).

1405868 is a wasteful number, since it uses less digits than its factorization.

1405868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192 (or 1190 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 1405868 is about 1185.6930462814. The cubic root of 1405868 is about 112.0249731727.

The spelling of 1405868 in words is "one million, four hundred five thousand, eight hundred sixty-eight".