3748820 has 12 divisors (see below), whose sum is σ = 7872564. Its totient is φ = 1499520.

The previous prime is 3748819. The next prime is 3748831. The reversal of 3748820 is 288473.

It can be written as a sum of positive squares in 2 ways, for example, as 1522756 + 2226064 = 1234^2 + 1492^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93701 + ... + 93740.

It is an arithmetic number, because the mean of its divisors is an integer number (656047).

Almost surely, 2^3748820 is an apocalyptic number.

It is an amenable number.

3748820 is an abundant number, since it is smaller than the sum of its proper divisors (4123744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3748820 is a wasteful number, since it uses less digits than its factorization.

3748820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187450 (or 187448 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 3748820 is about 1936.1869744423. The cubic root of 3748820 is about 155.3453278799.

The spelling of 3748820 in words is "three million, seven hundred forty-eight thousand, eight hundred twenty".