2489626 has 4 divisors (see below), whose sum is σ = 3734442. Its totient is φ = 1244812.

The previous prime is 2489611. The next prime is 2489639. The reversal of 2489626 is 6269842.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6269842 = 2 ⋅3134921.

It can be written as a sum of positive squares in only one way, i.e., 2449225 + 40401 = 1565^2 + 201^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622405 + ... + 622408.

2^2489626 is an apocalyptic number.

2489626 is a deficient number, since it is larger than the sum of its proper divisors (1244816).

2489626 is a wasteful number, since it uses less digits than its factorization.

2489626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244815.

The product of its digits is 41472, while the sum is 37.

The square root of 2489626 is about 1577.8548729208. The cubic root of 2489626 is about 135.5328914402.

The spelling of 2489626 in words is "two million, four hundred eighty-nine thousand, six hundred twenty-six".