870038 has 16 divisors (see below), whose sum is σ = 1422960. Its totient is φ = 396576.

The previous prime is 870031. The next prime is 870047. The reversal of 870038 is 830078.

870038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×870038² = 1513932242888, which contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 869989 and 870016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870031) 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, 2681 + ... + 2987.

It is an arithmetic number, because the mean of its divisors is an integer number (88935).

2⁸⁷⁰⁰³⁸ is an apocalyptic number.

870038 is a deficient number, since it is larger than the sum of its proper divisors (552922).

870038 is a wasteful number, since it uses less digits than its factorization.

870038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 870038 is about 932.7582752246. The cubic root of 870038 is about 95.4654169711.

The spelling of 870038 in words is "eight hundred seventy thousand, thirty-eight".