2495820 has 24 divisors (see below), whose sum is σ = 6988464. Its totient is φ = 665536.

The previous prime is 2495819. The next prime is 2495833. The reversal of 2495820 is 285942.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 20739 + ... + 20858.

It is an arithmetic number, because the mean of its divisors is an integer number (291186).

2^2495820 is an apocalyptic number.

2495820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2495820 is an abundant number, since it is smaller than the sum of its proper divisors (4492644).

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

2495820 is a wasteful number, since it uses less digits than its factorization.

2495820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41609 (or 41607 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2495820 is about 1579.8164450340. The cubic root of 2495820 is about 135.6451968619.

The spelling of 2495820 in words is "two million, four hundred ninety-five thousand, eight hundred twenty".