3625738 has 4 divisors (see below), whose sum is σ = 5438610. Its totient is φ = 1812868.

The previous prime is 3625733. The next prime is 3625759. The reversal of 3625738 is 8375263.

3625738 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.

It can be written as a sum of positive squares in only one way, i.e., 1979649 + 1646089 = 1407^2 + 1283^2 .

It is an Ulam number.

It is a d-powerful number, because it can be written as 3⁷ + 6⁴ + 2¹⁹ + 5³ + 7⁷ + 3¹¹ + 8⁷ .

It is not an unprimeable number, because it can be changed into a prime (3625733) 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, 906433 + ... + 906436.

Almost surely, 2^3625738 is an apocalyptic number.

3625738 is a deficient number, since it is larger than the sum of its proper divisors (1812872).

3625738 is a wasteful number, since it uses less digits than its factorization.

3625738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812871.

The product of its digits is 30240, while the sum is 34.

The square root of 3625738 is about 1904.1370748977. The cubic root of 3625738 is about 153.6262652657.

The spelling of 3625738 in words is "three million, six hundred twenty-five thousand, seven hundred thirty-eight".