2428515 has 16 divisors (see below), whose sum is σ = 4317600. Its totient is φ = 1295136.

The previous prime is 2428487. The next prime is 2428529. The reversal of 2428515 is 5158242.

It is a happy number.

It is not a de Polignac number, because 2428515 - 2⁶ = 2428451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8860 + ... + 9129.

It is an arithmetic number, because the mean of its divisors is an integer number (269850).

2^2428515 is an apocalyptic number.

2428515 is a deficient number, since it is larger than the sum of its proper divisors (1889085).

2428515 is a wasteful number, since it uses less digits than its factorization.

2428515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18003 (or 17997 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 2428515 is about 1558.3693400475. The cubic root of 2428515 is about 134.4147504538.

The spelling of 2428515 in words is "two million, four hundred twenty-eight thousand, five hundred fifteen".