1854972 has 72 divisors (see below), whose sum is σ = 5687136. Its totient is φ = 497664.

The previous prime is 1854971. The next prime is 1854991. The reversal of 1854972 is 2794581.

It is a super-2 number, since 2×1854972² = 6881842241568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1854971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4068 + ... + 4500.

It is an arithmetic number, because the mean of its divisors is an integer number (78988).

2^1854972 is an apocalyptic number.

1854972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1854972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2843568).

1854972 is an abundant number, since it is smaller than the sum of its proper divisors (3832164).

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

1854972 is a wasteful number, since it uses less digits than its factorization.

1854972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467 (or 462 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 1854972 is about 1361.9735680255. The cubic root of 1854972 is about 122.8699796008.

The spelling of 1854972 in words is "one million, eight hundred fifty-four thousand, nine hundred seventy-two".