857954 has 4 divisors (see below), whose sum is σ = 1286934. Its totient is φ = 428976.

The previous prime is 857953. The next prime is 857957. The reversal of 857954 is 459758.

857954 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 677329 + 180625 = 823^2 + 425^2 .

It is a super-2 number, since 2×857954² = 1472170132232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (857951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214487 + ... + 214490.

2⁸⁵⁷⁹⁵⁴ is an apocalyptic number.

857954 is a deficient number, since it is larger than the sum of its proper divisors (428980).

857954 is a wasteful number, since it uses less digits than its factorization.

857954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428979.

The product of its digits is 50400, while the sum is 38.

The square root of 857954 is about 926.2580633927. The cubic root of 857954 is about 95.0213802295.

The spelling of 857954 in words is "eight hundred fifty-seven thousand, nine hundred fifty-four".