3709481 has 8 divisors (see below), whose sum is σ = 3821664. Its totient is φ = 3598560.

The previous prime is 3709457. The next prime is 3709487. The reversal of 3709481 is 1849073.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3709481 is a prime.

It is a super-2 number, since 2×3709481² = 27520498578722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3709487) 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, 11930 + ... + 12236.

It is an arithmetic number, because the mean of its divisors is an integer number (477708).

Almost surely, 2^3709481 is an apocalyptic number.

It is an amenable number.

3709481 is a deficient number, since it is larger than the sum of its proper divisors (112183).

3709481 is a wasteful number, since it uses less digits than its factorization.

3709481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 3709481 is about 1926.0012980266. The cubic root of 3709481 is about 154.8000334960.

The spelling of 3709481 in words is "three million, seven hundred nine thousand, four hundred eighty-one".