3928061 has 4 divisors (see below), whose sum is σ = 3948000. Its totient is φ = 3908124.

The previous prime is 3928049. The next prime is 3928069. The reversal of 3928061 is 1608293.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3928061 - 2⁶ = 3927997 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 (3928069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9671 + ... + 10068.

It is an arithmetic number, because the mean of its divisors is an integer number (987000).

Almost surely, 2^3928061 is an apocalyptic number.

It is an amenable number.

3928061 is a deficient number, since it is larger than the sum of its proper divisors (19939).

3928061 is a wasteful number, since it uses less digits than its factorization.

3928061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19938.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 3928061 is about 1981.9336517654. The cubic root of 3928061 is about 157.7827088359.

The spelling of 3928061 in words is "three million, nine hundred twenty-eight thousand, sixty-one".