3728937 has 4 divisors (see below), whose sum is σ = 4971920. Its totient is φ = 2485956.

The previous prime is 3728911. The next prime is 3728939. The reversal of 3728937 is 7398273.

3728937 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7398273 = 3 ⋅2466091.

It is not a de Polignac number, because 3728937 - 2⁶ = 3728873 is a prime.

It is a super-2 number, since 2×3728937² = 27809942299938, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3728895 and 3728904.

It is not an unprimeable number, because it can be changed into a prime (3728939) 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 in 3 ways as a sum of consecutive naturals, for example, 621487 + ... + 621492.

It is an arithmetic number, because the mean of its divisors is an integer number (1242980).

Almost surely, 2^3728937 is an apocalyptic number.

It is an amenable number.

3728937 is a deficient number, since it is larger than the sum of its proper divisors (1242983).

3728937 is a wasteful number, since it uses less digits than its factorization.

3728937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242982.

The product of its digits is 63504, while the sum is 39.

The square root of 3728937 is about 1931.0455717046. The cubic root of 3728937 is about 155.0702005977.

The spelling of 3728937 in words is "three million, seven hundred twenty-eight thousand, nine hundred thirty-seven".