3748389 has 8 divisors (see below), whose sum is σ = 5080032. Its totient is φ = 2457840.

The previous prime is 3748387. The next prime is 3748397. The reversal of 3748389 is 9838473.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3748389 - 2¹ = 3748387 is a prime.

It is an Ulam number.

3748389 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3748389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3748387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10059 + ... + 10424.

It is an arithmetic number, because the mean of its divisors is an integer number (635004).

Almost surely, 2^3748389 is an apocalyptic number.

It is an amenable number.

3748389 is a deficient number, since it is larger than the sum of its proper divisors (1331643).

3748389 is a wasteful number, since it uses less digits than its factorization.

3748389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20547.

The product of its digits is 145152, while the sum is 42.

The square root of 3748389 is about 1936.0756700088. The cubic root of 3748389 is about 155.3393743263.

The spelling of 3748389 in words is "three million, seven hundred forty-eight thousand, three hundred eighty-nine".