3890761 has 4 divisors (see below), whose sum is σ = 4446592. Its totient is φ = 3334932.

The previous prime is 3890759. The next prime is 3890771. The reversal of 3890761 is 1670983.

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 3890761 - 2¹ = 3890759 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3890701) 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 in 3 ways as a sum of consecutive naturals, for example, 277905 + ... + 277918.

It is an arithmetic number, because the mean of its divisors is an integer number (1111648).

Almost surely, 2^3890761 is an apocalyptic number.

It is an amenable number.

3890761 is a deficient number, since it is larger than the sum of its proper divisors (555831).

3890761 is an equidigital number, since it uses as much as digits as its factorization.

3890761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555830.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 3890761 is about 1972.5012040554. The cubic root of 3890761 is about 157.2816963833.

The spelling of 3890761 in words is "three million, eight hundred ninety thousand, seven hundred sixty-one".