2391150 has 48 divisors (see below), whose sum is σ = 6249600. Its totient is φ = 603360.

The previous prime is 2391127. The next prime is 2391157. The reversal of 2391150 is 511932.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2391157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2431 + ... + 3269.

It is an arithmetic number, because the mean of its divisors is an integer number (130200).

2^2391150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2391150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3124800).

2391150 is an abundant number, since it is smaller than the sum of its proper divisors (3858450).

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

2391150 is a wasteful number, since it uses less digits than its factorization.

2391150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 2391150 is about 1546.3343752242. The cubic root of 2391150 is about 133.7218183848.

The spelling of 2391150 in words is "two million, three hundred ninety-one thousand, one hundred fifty".