• 870493² = 757758063049 is an anagram of the next square 870494² = 757759804036.

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870493 has 8 divisors (see below), whose sum is σ = 970200. Its totient is φ = 775488.

The previous prime is 870491. The next prime is 870497. The reversal of 870493 is 394078.

It is a happy number.

870493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 127449 + 743044 = 357^2 + 862^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 870493 - 2¹ = 870491 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 (870491) 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, 778 + ... + 1531.

It is an arithmetic number, because the mean of its divisors is an integer number (121275).

2⁸⁷⁰⁴⁹³ is an apocalyptic number.

It is an amenable number.

870493 is a deficient number, since it is larger than the sum of its proper divisors (99707).

870493 is a wasteful number, since it uses less digits than its factorization.

870493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 870493 is about 933.0021436203. The cubic root of 870493 is about 95.4820557826.

The spelling of 870493 in words is "eight hundred seventy thousand, four hundred ninety-three".