2489427 has 16 divisors (see below), whose sum is σ = 3720480. Its totient is φ = 1645056.

The previous prime is 2489423. The next prime is 2489441. The reversal of 2489427 is 7249842.

It is not a de Polignac number, because 2489427 - 2² = 2489423 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2489391 and 2489400.

It is not an unprimeable number, because it can be changed into a prime (2489423) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 3363 + ... + 4035.

It is an arithmetic number, because the mean of its divisors is an integer number (232530).

2^2489427 is an apocalyptic number.

2489427 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2489427 is a deficient number, since it is larger than the sum of its proper divisors (1231053).

2489427 is a wasteful number, since it uses less digits than its factorization.

2489427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819 (or 813 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 2489427 is about 1577.7918113617. The cubic root of 2489427 is about 135.5292802199.

It can be divided in two parts, 2489 and 427, that added together give a square (2916 = 54²).

The spelling of 2489427 in words is "two million, four hundred eighty-nine thousand, four hundred twenty-seven".