2938725 has 36 divisors (see below), whose sum is σ = 5421156. Its totient is φ = 1520640.

The previous prime is 2938717. The next prime is 2938729. The reversal of 2938725 is 5278392.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 4356 + 2934369 = 66^2 + 1713^2 .

It is not a de Polignac number, because 2938725 - 2³ = 2938717 is a prime.

It is a super-2 number, since 2×2938725² = 17272209251250, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2938725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2938729) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 8149 + ... + 8501.

2^2938725 is an apocalyptic number.

2938725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2938725 is a deficient number, since it is larger than the sum of its proper divisors (2482431).

2938725 is a wasteful number, since it uses less digits than its factorization.

2938725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 398 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 2938725 is about 1714.2709820796. The cubic root of 2938725 is about 143.2362632223.

It can be divided in two parts, 2938 and 725, that added together give a palindrome (3663).

The spelling of 2938725 in words is "two million, nine hundred thirty-eight thousand, seven hundred twenty-five".