2499678 has 24 divisors (see below), whose sum is σ = 5701800. Its totient is φ = 789264.

The previous prime is 2499671. The next prime is 2499689. The reversal of 2499678 is 8769942.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2499671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3313 + ... + 3996.

It is an arithmetic number, because the mean of its divisors is an integer number (237575).

2^2499678 is an apocalyptic number.

2499678 is an abundant number, since it is smaller than the sum of its proper divisors (3202122).

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

2499678 is a wasteful number, since it uses less digits than its factorization.

2499678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7336 (or 7333 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 2499678 is about 1581.0370014645. The cubic root of 2499678 is about 135.7150536297.

The spelling of 2499678 in words is "two million, four hundred ninety-nine thousand, six hundred seventy-eight".