1850940 has 144 divisors (see below), whose sum is σ = 6971328. Its totient is φ = 387072.

The previous prime is 1850939. The next prime is 1850941. The reversal of 1850940 is 490581.

It is an interprime number because it is at equal distance from previous prime (1850939) and next prime (1850941).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1850941) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16324 + ... + 16436.

It is an arithmetic number, because the mean of its divisors is an integer number (48412).

2^1850940 is an apocalyptic number.

1850940 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 1850940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3485664).

1850940 is an abundant number, since it is smaller than the sum of its proper divisors (5120388).

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

1850940 is a wasteful number, since it uses less digits than its factorization.

1850940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1850940 is about 1360.4925578628. The cubic root of 1850940 is about 122.7808908999.

The spelling of 1850940 in words is "one million, eight hundred fifty thousand, nine hundred forty".