2148510 has 64 divisors (see below), whose sum is σ = 6354432. Its totient is φ = 452736.

The previous prime is 2148491. The next prime is 2148527. The reversal of 2148510 is 158412.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2337 + ... + 3123.

It is an arithmetic number, because the mean of its divisors is an integer number (99288).

2^2148510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2148510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3177216).

2148510 is an abundant number, since it is smaller than the sum of its proper divisors (4205922).

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

2148510 is a wasteful number, since it uses less digits than its factorization.

2148510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 2148510 is about 1465.7796560193. The cubic root of 2148510 is about 129.0364658641.

The spelling of 2148510 in words is "two million, one hundred forty-eight thousand, five hundred ten".