1406745 has 24 divisors (see below), whose sum is σ = 2498496. Its totient is φ = 731808.

The previous prime is 1406707. The next prime is 1406771. The reversal of 1406745 is 5476041.

It is not a de Polignac number, because 1406745 - 2⁷ = 1406617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1572 + ... + 2298.

It is an arithmetic number, because the mean of its divisors is an integer number (104104).

2^1406745 is an apocalyptic number.

1406745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1406745 is a deficient number, since it is larger than the sum of its proper divisors (1091751).

1406745 is a wasteful number, since it uses less digits than its factorization.

1406745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1406745 is about 1186.0628145254. The cubic root of 1406745 is about 112.0482625758.

The spelling of 1406745 in words is "one million, four hundred six thousand, seven hundred forty-five".