3749447 has 8 divisors (see below), whose sum is σ = 4053840. Its totient is φ = 3447360.

The previous prime is 3749443. The next prime is 3749461. The reversal of 3749447 is 7449473.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3749447 - 2² = 3749443 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3749447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3749443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4547 + ... + 5307.

It is an arithmetic number, because the mean of its divisors is an integer number (506730).

Almost surely, 2^3749447 is an apocalyptic number.

3749447 is a deficient number, since it is larger than the sum of its proper divisors (304393).

3749447 is a wasteful number, since it uses less digits than its factorization.

3749447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153.

The product of its digits is 84672, while the sum is 38.

The square root of 3749447 is about 1936.3488838533. The cubic root of 3749447 is about 155.3539880353.

The spelling of 3749447 in words is "three million, seven hundred forty-nine thousand, four hundred forty-seven".