2497906 has 4 divisors (see below), whose sum is σ = 3746862. Its totient is φ = 1248952.

The previous prime is 2497903. The next prime is 2497927. The reversal of 2497906 is 6097942.

2497906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6097942 = 2 ⋅3048971.

It can be written as a sum of positive squares in only one way, i.e., 2205225 + 292681 = 1485^2 + 541^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2497903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624475 + ... + 624478.

2^2497906 is an apocalyptic number.

2497906 is a deficient number, since it is larger than the sum of its proper divisors (1248956).

2497906 is a wasteful number, since it uses less digits than its factorization.

2497906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248955.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 2497906 is about 1580.4765104234. The cubic root of 2497906 is about 135.6829769751.

It can be divided in two parts, 2497 and 906, that added together give a triangular number (3403 = T₈₂).

The spelling of 2497906 in words is "two million, four hundred ninety-seven thousand, nine hundred six".