3748378 has 4 divisors (see below), whose sum is σ = 5622570. Its totient is φ = 1874188.

The previous prime is 3748361. The next prime is 3748387. The reversal of 3748378 is 8738473.

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., 3598609 + 149769 = 1897^2 + 387^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 3² + 7⁷ + 4⁶ + 8 + 3³ + 7⁷ + 8⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 3748378.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 937093 + ... + 937096.

Almost surely, 2^3748378 is an apocalyptic number.

3748378 is a deficient number, since it is larger than the sum of its proper divisors (1874192).

3748378 is a wasteful number, since it uses less digits than its factorization.

3748378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874191.

The product of its digits is 112896, while the sum is 40.

The square root of 3748378 is about 1936.0728292087. The cubic root of 3748378 is about 155.3392223735.

The spelling of 3748378 in words is "three million, seven hundred forty-eight thousand, three hundred seventy-eight".