1873240 has 16 divisors (see below), whose sum is σ = 4214880. Its totient is φ = 749280.

The previous prime is 1873231. The next prime is 1873271. The reversal of 1873240 is 423781.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23376 + ... + 23455.

It is an arithmetic number, because the mean of its divisors is an integer number (263430).

2^1873240 is an apocalyptic number.

1873240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1873240 is an abundant number, since it is smaller than the sum of its proper divisors (2341640).

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

1873240 is a wasteful number, since it uses less digits than its factorization.

1873240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46842 (or 46838 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1873240 is about 1368.6635817468. The cubic root of 1873240 is about 123.2720091204.

The spelling of 1873240 in words is "one million, eight hundred seventy-three thousand, two hundred forty".