2499673 has 8 divisors (see below), whose sum is σ = 2752416. Its totient is φ = 2251200.

The previous prime is 2499671. The next prime is 2499689. The reversal of 2499673 is 3769942.

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

It is a cyclic number.

It is not a de Polignac number, because 2499673 - 2¹ = 2499671 is a prime.

It is a Duffinian number.

2499673 is a lucky number.

It is a plaindrome in base 15.

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 7 ways as a sum of consecutive naturals, for example, 238 + ... + 2248.

It is an arithmetic number, because the mean of its divisors is an integer number (344052).

2^2499673 is an apocalyptic number.

It is an amenable number.

2499673 is a deficient number, since it is larger than the sum of its proper divisors (252743).

2499673 is a wasteful number, since it uses less digits than its factorization.

2499673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135.

The product of its digits is 81648, while the sum is 40.

The square root of 2499673 is about 1581.0354202231. The cubic root of 2499673 is about 135.7149631413.

Subtracting from 2499673 its product of digits (81648), we obtain a square (2418025 = 1555²).

The spelling of 2499673 in words is "two million, four hundred ninety-nine thousand, six hundred seventy-three".