1375856 has 10 divisors (see below), whose sum is σ = 2665752. Its totient is φ = 687920.

The previous prime is 1375853. The next prime is 1375877. The reversal of 1375856 is 6585731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42980 + ... + 43011.

2^1375856 is an apocalyptic number.

1375856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1375856 is a deficient number, since it is larger than the sum of its proper divisors (1289896).

1375856 is an equidigital number, since it uses as much as digits as its factorization.

1375856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85999 (or 85993 counting only the distinct ones).

The product of its digits is 25200, while the sum is 35.

The square root of 1375856 is about 1172.9688827927. The cubic root of 1375856 is about 111.2220752199. Note that the first 3 decimals are identical.

The spelling of 1375856 in words is "one million, three hundred seventy-five thousand, eight hundred fifty-six".