3920061 has 16 divisors (see below), whose sum is σ = 5566400. Its totient is φ = 2446848.

The previous prime is 3920057. The next prime is 3920069. The reversal of 3920061 is 1600293.

It is not a de Polignac number, because 3920061 - 2² = 3920057 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3920069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5175 + ... + 5883.

It is an arithmetic number, because the mean of its divisors is an integer number (347900).

Almost surely, 2^3920061 is an apocalyptic number.

It is an amenable number.

3920061 is a deficient number, since it is larger than the sum of its proper divisors (1646339).

3920061 is a wasteful number, since it uses less digits than its factorization.

3920061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 3920061 is about 1979.9143920887. The cubic root of 3920061 is about 157.6755211283.

It can be divided in two parts, 39 and 20061, that added together give a triangular number (20100 = T₂₀₀).

The spelling of 3920061 in words is "three million, nine hundred twenty thousand, sixty-one".