2152740 has 24 divisors (see below), whose sum is σ = 6027840. Its totient is φ = 574048.

The previous prime is 2152739. The next prime is 2152753. The reversal of 2152740 is 472512.

2152740 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17880 + ... + 17999.

It is an arithmetic number, because the mean of its divisors is an integer number (251160).

2^2152740 is an apocalyptic number.

2152740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2152740 is an abundant number, since it is smaller than the sum of its proper divisors (3875100).

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

2152740 is a wasteful number, since it uses less digits than its factorization.

2152740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35891 (or 35889 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 2152740 is about 1467.2218646135. The cubic root of 2152740 is about 129.1210929521.

The spelling of 2152740 in words is "two million, one hundred fifty-two thousand, seven hundred forty".