855437 has 8 divisors (see below), whose sum is σ = 982560. Its totient is φ = 736560.

The previous prime is 855431. The next prime is 855461. The reversal of 855437 is 734558.

It is a happy number.

855437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 855437 - 2⁶ = 855373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855431) 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, 1838 + ... + 2255.

It is an arithmetic number, because the mean of its divisors is an integer number (122820).

2⁸⁵⁵⁴³⁷ is an apocalyptic number.

It is an amenable number.

855437 is a deficient number, since it is larger than the sum of its proper divisors (127123).

855437 is a wasteful number, since it uses less digits than its factorization.

855437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4123.

The product of its digits is 16800, while the sum is 32.

The square root of 855437 is about 924.8983727956. The cubic root of 855437 is about 94.9283670527.

The spelling of 855437 in words is "eight hundred fifty-five thousand, four hundred thirty-seven".