1406993 has 12 divisors (see below), whose sum is σ = 1672320. Its totient is φ = 1159536.

The previous prime is 1406983. The next prime is 1407011. The reversal of 1406993 is 3996041.

It is not a de Polignac number, because 1406993 - 2²⁰ = 358417 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1406953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5768 + ... + 6006.

It is an arithmetic number, because the mean of its divisors is an integer number (139360).

2^1406993 is an apocalyptic number.

It is an amenable number.

1406993 is a deficient number, since it is larger than the sum of its proper divisors (265327).

1406993 is an equidigital number, since it uses as much as digits as its factorization.

1406993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 1406993 is about 1186.1673575006. The cubic root of 1406993 is about 112.0548466490.

The spelling of 1406993 in words is "one million, four hundred six thousand, nine hundred ninety-three".