872154 has 32 divisors (see below), whose sum is σ = 2004480. Its totient is φ = 280800.

The previous prime is 872149. The next prime is 872159. The reversal of 872154 is 451278.

It is an interprime number because it is at equal distance from previous prime (872149) and next prime (872159).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (872159) 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, 1414 + ... + 1934.

It is an arithmetic number, because the mean of its divisors is an integer number (62640).

2⁸⁷²¹⁵⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 872154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1002240).

872154 is an abundant number, since it is smaller than the sum of its proper divisors (1132326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

872154 is a wasteful number, since it uses less digits than its factorization.

872154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 557 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 872154 is about 933.8918566943. The cubic root of 872154 is about 95.5427474170.

The spelling of 872154 in words is "eight hundred seventy-two thousand, one hundred fifty-four".