2428245 has 16 divisors (see below), whose sum is σ = 4317120. Its totient is φ = 1294992.

The previous prime is 2428243. The next prime is 2428249. The reversal of 2428245 is 5428242.

It is a happy number.

It is not a de Polignac number, because 2428245 - 2¹ = 2428243 is a prime.

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

It is a d-powerful number, because it can be written as 2⁵ + 4⁴ + 2¹⁵ + 8⁵ + 2²¹ + 4⁹ + 5⁵ .

2428245 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2428241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8859 + ... + 9128.

It is an arithmetic number, because the mean of its divisors is an integer number (269820).

2^2428245 is an apocalyptic number.

It is an amenable number.

2428245 is a deficient number, since it is larger than the sum of its proper divisors (1888875).

2428245 is a wasteful number, since it uses less digits than its factorization.

2428245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18001 (or 17995 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 2428245 is about 1558.2827086251. The cubic root of 2428245 is about 134.4097689009.

The spelling of 2428245 in words is "two million, four hundred twenty-eight thousand, two hundred forty-five".