3749823 has 36 divisors (see below), whose sum is σ = 6882408. Its totient is φ = 1945440.

The previous prime is 3749807. The next prime is 3749833. The reversal of 3749823 is 3289473.

It is not a de Polignac number, because 3749823 - 2⁴ = 3749807 is a prime.

It is a super-2 number, since 2×3749823² = 28122345062658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3749833) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4465 + ... + 5237.

It is an arithmetic number, because the mean of its divisors is an integer number (191178).

Almost surely, 2^3749823 is an apocalyptic number.

3749823 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3749823 is a deficient number, since it is larger than the sum of its proper divisors (3132585).

3749823 is a wasteful number, since it uses less digits than its factorization.

3749823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804 (or 794 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 3749823 is about 1936.4459713609. The cubic root of 3749823 is about 155.3591809030.

The spelling of 3749823 in words is "three million, seven hundred forty-nine thousand, eight hundred twenty-three".