2752906 has 16 divisors (see below), whose sum is σ = 4491144. Its totient is φ = 1257984.

The previous prime is 2752901. The next prime is 2752909. The reversal of 2752906 is 6092572.

It can be written as a sum of positive squares in 4 ways, for example, as 378225 + 2374681 = 615^2 + 1541^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2752901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2470 + ... + 3406.

2^2752906 is an apocalyptic number.

2752906 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2752906 is a deficient number, since it is larger than the sum of its proper divisors (1738238).

2752906 is a wasteful number, since it uses less digits than its factorization.

2752906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 2752906 is about 1659.1883557933. The cubic root of 2752906 is about 140.1512990162.

The spelling of 2752906 in words is "two million, seven hundred fifty-two thousand, nine hundred six".