1407985 has 8 divisors (see below), whose sum is σ = 1696320. Its totient is φ = 1121904.

The previous prime is 1407971. The next prime is 1407997. The reversal of 1407985 is 5897041.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1407985 - 2⁹ = 1407473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1407985.

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, 1524 + ... + 2266.

It is an arithmetic number, because the mean of its divisors is an integer number (212040).

2^1407985 is an apocalyptic number.

It is an amenable number.

1407985 is a deficient number, since it is larger than the sum of its proper divisors (288335).

1407985 is an equidigital number, since it uses as much as digits as its factorization.

1407985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 1407985 is about 1186.5854372948. The cubic root of 1407985 is about 112.0811752079.

The spelling of 1407985 in words is "one million, four hundred seven thousand, nine hundred eighty-five".