868413 has 16 divisors (see below), whose sum is σ = 1425536. Its totient is φ = 457920.

The previous prime is 868409. The next prime is 868423. The reversal of 868413 is 314868.

It is a happy number.

It is not a de Polignac number, because 868413 - 2² = 868409 is a prime.

It is a super-2 number, since 2×868413² = 1508282277138, which contains 22 as substring.

It is a Curzon number.

868413 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1318 + ... + 1863.

It is an arithmetic number, because the mean of its divisors is an integer number (89096).

2⁸⁶⁸⁴¹³ is an apocalyptic number.

It is an amenable number.

868413 is a deficient number, since it is larger than the sum of its proper divisors (557123).

868413 is a wasteful number, since it uses less digits than its factorization.

868413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204.

The product of its digits is 4608, while the sum is 30.

The square root of 868413 is about 931.8867957000. The cubic root of 868413 is about 95.4059452452.

The spelling of 868413 in words is "eight hundred sixty-eight thousand, four hundred thirteen".