6890149 has 4 divisors (see below), whose sum is σ = 7874464. Its totient is φ = 5905836.

The previous prime is 6890123. The next prime is 6890161. The reversal of 6890149 is 9410986.

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 6890149 - 2⁹ = 6889637 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 (6890249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492147 + ... + 492160.

It is an arithmetic number, because the mean of its divisors is an integer number (1968616).

Almost surely, 2^6890149 is an apocalyptic number.

It is an amenable number.

6890149 is a deficient number, since it is larger than the sum of its proper divisors (984315).

6890149 is an equidigital number, since it uses as much as digits as its factorization.

6890149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984314.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 6890149 is about 2624.9093317675. The cubic root of 6890149 is about 190.2871834344.

The spelling of 6890149 in words is "six million, eight hundred ninety thousand, one hundred forty-nine".