2489766 has 32 divisors (see below), whose sum is σ = 5292000. Its totient is φ = 779520.

The previous prime is 2489761. The next prime is 2489777. The reversal of 2489766 is 6679842.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489761) 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, 6960 + ... + 7308.

It is an arithmetic number, because the mean of its divisors is an integer number (165375).

2^2489766 is an apocalyptic number.

2489766 is an abundant number, since it is smaller than the sum of its proper divisors (2802234).

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

2489766 is a wasteful number, since it uses less digits than its factorization.

2489766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424.

The product of its digits is 145152, while the sum is 42.

The square root of 2489766 is about 1577.8992363266. The cubic root of 2489766 is about 135.5354318819.

It can be divided in two parts, 248976 and 6, that multiplied together give a triangular number (1493856 = T₁₇₂₈).

The spelling of 2489766 in words is "two million, four hundred eighty-nine thousand, seven hundred sixty-six".