3748945 has 8 divisors (see below), whose sum is σ = 4556160. Its totient is φ = 2960880.

The previous prime is 3748939. The next prime is 3748957. The reversal of 3748945 is 5498473.

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

It is not a de Polignac number, because 3748945 - 2¹⁵ = 3716177 is a prime.

It is a super-2 number, since 2×3748945² = 28109177226050, which contains 22 as substring.

3748945 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3748898 and 3748907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4351 + ... + 5140.

It is an arithmetic number, because the mean of its divisors is an integer number (569520).

Almost surely, 2^3748945 is an apocalyptic number.

It is an amenable number.

3748945 is a deficient number, since it is larger than the sum of its proper divisors (807215).

3748945 is an equidigital number, since it uses as much as digits as its factorization.

3748945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9575.

The product of its digits is 120960, while the sum is 40.

The square root of 3748945 is about 1936.2192541135. The cubic root of 3748945 is about 155.3470544632.

The spelling of 3748945 in words is "three million, seven hundred forty-eight thousand, nine hundred forty-five".