1479857 has 2 divisors, whose sum is σ = 1479858. Its totient is φ = 1479856.

The previous prime is 1479851. The next prime is 1479859. The reversal of 1479857 is 7589741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1100401 + 379456 = 1049^2 + 616^2 .

It is a cyclic number.

It is not a de Polignac number, because 1479857 - 2¹⁶ = 1414321 is a prime.

Together with 1479859, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1479851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 739928 + 739929.

It is an arithmetic number, because the mean of its divisors is an integer number (739929).

2^1479857 is an apocalyptic number.

It is an amenable number.

1479857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1479857 is an equidigital number, since it uses as much as digits as its factorization.

1479857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 41.

The square root of 1479857 is about 1216.4937320019. The cubic root of 1479857 is about 113.9567138422.

The spelling of 1479857 in words is "one million, four hundred seventy-nine thousand, eight hundred fifty-seven".