2150730 has 48 divisors (see below), whose sum is σ = 5840640. Its totient is φ = 548064.

The previous prime is 2150719. The next prime is 2150741. The reversal of 2150730 is 370512.

It is an interprime number because it is at equal distance from previous prime (2150719) and next prime (2150741).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1551 + ... + 2589.

It is an arithmetic number, because the mean of its divisors is an integer number (121680).

2^2150730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2150730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2920320).

2150730 is an abundant number, since it is smaller than the sum of its proper divisors (3689910).

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

2150730 is a wasteful number, since it uses less digits than its factorization.

2150730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075 (or 1072 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 2150730 is about 1466.5367366691. The cubic root of 2150730 is about 129.0808939168.

The spelling of 2150730 in words is "two million, one hundred fifty thousand, seven hundred thirty".