3834991 has 2 divisors, whose sum is σ = 3834992. Its totient is φ = 3834990.

The previous prime is 3834983. The next prime is 3835001. The reversal of 3834991 is 1994383.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3834991 - 2³ = 3834983 is a prime.

3834991 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3834991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3834091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1917495 + 1917496.

It is an arithmetic number, because the mean of its divisors is an integer number (1917496).

Almost surely, 2^3834991 is an apocalyptic number.

3834991 is a deficient number, since it is larger than the sum of its proper divisors (1).

3834991 is an equidigital number, since it uses as much as digits as its factorization.

3834991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 3834991 is about 1958.3133048621. The cubic root of 3834991 is about 156.5265872279.

The spelling of 3834991 in words is "three million, eight hundred thirty-four thousand, nine hundred ninety-one".