1872234 has 80 divisors (see below), whose sum is σ = 5203968. Its totient is φ = 489888.

The previous prime is 1872229. The next prime is 1872239. The reversal of 1872234 is 4322781.

It is an interprime number because it is at equal distance from previous prime (1872229) and next prime (1872239).

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

It is a junction number, because it is equal to n+sod(n) for n = 1872198 and 1872207.

It is not an unprimeable number, because it can be changed into a prime (1872239) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14679 + ... + 14805.

2^1872234 is an apocalyptic number.

1872234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1872234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2601984).

1872234 is an abundant number, since it is smaller than the sum of its proper divisors (3331734).

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

1872234 is a wasteful number, since it uses less digits than its factorization.

1872234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 152 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 1872234 is about 1368.2960206037. The cubic root of 1872234 is about 123.2499379412.

The spelling of 1872234 in words is "one million, eight hundred seventy-two thousand, two hundred thirty-four".