1408945 has 8 divisors (see below), whose sum is σ = 1779840. Its totient is φ = 1067760.

The previous prime is 1408889. The next prime is 1408961. The reversal of 1408945 is 5498041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1408945 - 2⁷ = 1408817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7321 + ... + 7510.

It is an arithmetic number, because the mean of its divisors is an integer number (222480).

2^1408945 is an apocalyptic number.

It is an amenable number.

1408945 is a deficient number, since it is larger than the sum of its proper divisors (370895).

1408945 is a wasteful number, since it uses less digits than its factorization.

1408945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14855.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1408945 is about 1186.9898904372. The cubic root of 1408945 is about 112.1066426863.

The spelling of 1408945 in words is "one million, four hundred eight thousand, nine hundred forty-five".