3890699 has 2 divisors, whose sum is σ = 3890700. Its totient is φ = 3890698.

The previous prime is 3890693. The next prime is 3890701. The reversal of 3890699 is 9960983.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3890699 is a prime.

Together with 3890701, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3890693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1945349 + 1945350.

It is an arithmetic number, because the mean of its divisors is an integer number (1945350).

Almost surely, 2^3890699 is an apocalyptic number.

3890699 is a deficient number, since it is larger than the sum of its proper divisors (1).

3890699 is an equidigital number, since it uses as much as digits as its factorization.

3890699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 3890699 is about 1972.4854879061. The cubic root of 3890699 is about 157.2808609411.

Subtracting from 3890699 its sum of digits (44), we obtain a triangular number (3890655 = T₂₇₈₉).

The spelling of 3890699 in words is "three million, eight hundred ninety thousand, six hundred ninety-nine".