3743661 has 8 divisors (see below), whose sum is σ = 5009760. Its totient is φ = 2486672.

The previous prime is 3743657. The next prime is 3743671. The reversal of 3743661 is 1663473.

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 3743661 - 2² = 3743657 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3743651) 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, 1251 + ... + 3008.

It is an arithmetic number, because the mean of its divisors is an integer number (626220).

Almost surely, 2^3743661 is an apocalyptic number.

It is an amenable number.

3743661 is a deficient number, since it is larger than the sum of its proper divisors (1266099).

3743661 is a wasteful number, since it uses less digits than its factorization.

3743661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4555.

The product of its digits is 9072, while the sum is 30.

The square root of 3743661 is about 1934.8542580773. The cubic root of 3743661 is about 155.2740348277.

The spelling of 3743661 in words is "three million, seven hundred forty-three thousand, six hundred sixty-one".