1849920 has 112 divisors (see below), whose sum is σ = 6144768. Its totient is φ = 471040.

The previous prime is 1849919. The next prime is 1849921. The reversal of 1849920 is 299481.

It is an interprime number because it is at equal distance from previous prime (1849919) and next prime (1849921).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1849921) 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, 39337 + ... + 39383.

It is an arithmetic number, because the mean of its divisors is an integer number (54864).

2^1849920 is an apocalyptic number.

1849920 is a gapful number since it is divisible by the number (10) 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 1849920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3072384).

1849920 is an abundant number, since it is smaller than the sum of its proper divisors (4294848).

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

1849920 is a wasteful number, since it uses less digits than its factorization.

1849920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 1849920 is about 1360.1176419707. The cubic root of 1849920 is about 122.7583330787.

The spelling of 1849920 in words is "one million, eight hundred forty-nine thousand, nine hundred twenty".