2148615 has 48 divisors (see below), whose sum is σ = 4492800. Its totient is φ = 927936.

The previous prime is 2148607. The next prime is 2148617. The reversal of 2148615 is 5168412.

2148615 is a `hidden beast` number, since 2 + 1 + 48 + 615 = 666.

It is not a de Polignac number, because 2148615 - 2³ = 2148607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148617) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5806 + ... + 6164.

It is an arithmetic number, because the mean of its divisors is an integer number (93600).

2^2148615 is an apocalyptic number.

2148615 is the 1197-th pentagonal number.

2148615 is an abundant number, since it is smaller than the sum of its proper divisors (2344185).

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

2148615 is a wasteful number, since it uses less digits than its factorization.

2148615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 393 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 2148615 is about 1465.8154726977. The cubic root of 2148615 is about 129.0385678803.

The spelling of 2148615 in words is "two million, one hundred forty-eight thousand, six hundred fifteen".