3706121 has 8 divisors (see below), whose sum is σ = 3933600. Its totient is φ = 3481920.

The previous prime is 3706111. The next prime is 3706123. The reversal of 3706121 is 1216073.

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 3706121 - 2¹⁸ = 3443977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3706093 and 3706102.

It is not an unprimeable number, because it can be changed into a prime (3706123) 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, 1745 + ... + 3233.

It is an arithmetic number, because the mean of its divisors is an integer number (491700).

Almost surely, 2^3706121 is an apocalyptic number.

It is an amenable number.

3706121 is a deficient number, since it is larger than the sum of its proper divisors (227479).

3706121 is a wasteful number, since it uses less digits than its factorization.

3706121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 3706121 is about 1925.1288268581. The cubic root of 3706121 is about 154.7532807532.

The spelling of 3706121 in words is "three million, seven hundred six thousand, one hundred twenty-one".