3705997 has 8 divisors (see below), whose sum is σ = 3916800. Its totient is φ = 3500784.

The previous prime is 3705959. The next prime is 3706009. The reversal of 3705997 is 7995073.

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 3705997 - 2¹¹ = 3703949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3705917) 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, 4 + ... + 2722.

It is an arithmetic number, because the mean of its divisors is an integer number (489600).

Almost surely, 2^3705997 is an apocalyptic number.

It is an amenable number.

3705997 is a deficient number, since it is larger than the sum of its proper divisors (210803).

3705997 is a wasteful number, since it uses less digits than its factorization.

3705997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795.

The product of its (nonzero) digits is 59535, while the sum is 40.

The square root of 3705997 is about 1925.0966209518. The cubic root of 3705997 is about 154.7515548138.

The spelling of 3705997 in words is "three million, seven hundred five thousand, nine hundred ninety-seven".