2495890 has 8 divisors (see below), whose sum is σ = 4492620. Its totient is φ = 998352.

The previous prime is 2495887. The next prime is 2495947. The reversal of 2495890 is 985942.

It can be written as a sum of positive squares in 2 ways, for example, as 2455489 + 40401 = 1567^2 + 201^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124785 + ... + 124804.

2^2495890 is an apocalyptic number.

2495890 is a deficient number, since it is larger than the sum of its proper divisors (1996730).

2495890 is a wasteful number, since it uses less digits than its factorization.

2495890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249596.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 2495890 is about 1579.8385993512. The cubic root of 2495890 is about 135.6464649923.

The spelling of 2495890 in words is "two million, four hundred ninety-five thousand, eight hundred ninety".