1408857 has 8 divisors (see below), whose sum is σ = 1939200. Its totient is φ = 908880.

The previous prime is 1408843. The next prime is 1408859. The reversal of 1408857 is 7588041.

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 1408857 - 2⁸ = 1408601 is a prime.

1408857 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1408859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7482 + ... + 7667.

It is an arithmetic number, because the mean of its divisors is an integer number (242400).

2^1408857 is an apocalyptic number.

It is an amenable number.

1408857 is a deficient number, since it is larger than the sum of its proper divisors (530343).

1408857 is a wasteful number, since it uses less digits than its factorization.

1408857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15183.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 1408857 is about 1186.9528213034. The cubic root of 1408857 is about 112.1043086492.

The spelling of 1408857 in words is "one million, four hundred eight thousand, eight hundred fifty-seven".