2939725 has 12 divisors (see below), whose sum is σ = 3860244. Its totient is φ = 2213120.

The previous prime is 2939707. The next prime is 2939747. The reversal of 2939725 is 5279392.

It can be written as a sum of positive squares in 6 ways, for example, as 19044 + 2920681 = 138^2 + 1709^2 .

It is not a de Polignac number, because 2939725 - 2⁵ = 2939693 is a prime.

It is a d-powerful number, because it can be written as 2¹⁶ + 9² + 3¹³ + 9² + 7⁷ + 2¹⁶ + 5⁸ .

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3034 + ... + 3883.

It is an arithmetic number, because the mean of its divisors is an integer number (321687).

2^2939725 is an apocalyptic number.

2939725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2939725 is a deficient number, since it is larger than the sum of its proper divisors (920519).

2939725 is a wasteful number, since it uses less digits than its factorization.

2939725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6944 (or 6939 counting only the distinct ones).

The product of its digits is 34020, while the sum is 37.

The square root of 2939725 is about 1714.5626264444. The cubic root of 2939725 is about 143.2525083648.

The spelling of 2939725 in words is "two million, nine hundred thirty-nine thousand, seven hundred twenty-five".