861454 has 8 divisors (see below), whose sum is σ = 1409688. Its totient is φ = 391560.

The previous prime is 861439. The next prime is 861491. The reversal of 861454 is 454168.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19557 + ... + 19600.

It is an arithmetic number, because the mean of its divisors is an integer number (176211).

2⁸⁶¹⁴⁵⁴ is an apocalyptic number.

861454 is a deficient number, since it is larger than the sum of its proper divisors (548234).

861454 is a wasteful number, since it uses less digits than its factorization.

861454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39170.

The product of its digits is 3840, while the sum is 28.

The square root of 861454 is about 928.1454627374. The cubic root of 861454 is about 95.1504172989.

It can be divided in two parts, 8614 and 54, that added together give a palindrome (8668).

The spelling of 861454 in words is "eight hundred sixty-one thousand, four hundred fifty-four".