1413857 has 4 divisors (see below), whose sum is σ = 1416240. Its totient is φ = 1411476.

The previous prime is 1413851. The next prime is 1413859. The reversal of 1413857 is 7583141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7583141 = 937 ⋅8093.

It is a cyclic number.

It is not a de Polignac number, because 1413857 - 2⁶ = 1413793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1413851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494 + ... + 1752.

It is an arithmetic number, because the mean of its divisors is an integer number (354060).

2^1413857 is an apocalyptic number.

It is an amenable number.

1413857 is a deficient number, since it is larger than the sum of its proper divisors (2383).

1413857 is a wasteful number, since it uses less digits than its factorization.

1413857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382.

The product of its digits is 3360, while the sum is 29.

The square root of 1413857 is about 1189.0571895414. The cubic root of 1413857 is about 112.2367705799.

Adding to 1413857 its reverse (7583141), we get a palindrome (8996998).

The spelling of 1413857 in words is "one million, four hundred thirteen thousand, eight hundred fifty-seven".