3749427 has 24 divisors (see below), whose sum is σ = 5976048. Its totient is φ = 2265120.

The previous prime is 3749407. The next prime is 3749443. The reversal of 3749427 is 7249473.

It is not a de Polignac number, because 3749427 - 2⁶ = 3749363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3749391 and 3749400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3749407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11823 + ... + 12135.

It is an arithmetic number, because the mean of its divisors is an integer number (249002).

Almost surely, 2^3749427 is an apocalyptic number.

3749427 is a deficient number, since it is larger than the sum of its proper divisors (2226621).

3749427 is a wasteful number, since it uses less digits than its factorization.

3749427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 327 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 3749427 is about 1936.3437194878. The cubic root of 3749427 is about 155.3537118092.

It can be divided in two parts, 374 and 9427, that added together give a square (9801 = 99²).

The spelling of 3749427 in words is "three million, seven hundred forty-nine thousand, four hundred twenty-seven".