6190649 has 4 divisors (see below), whose sum is σ = 6197136. Its totient is φ = 6184164.

The previous prime is 6190627. The next prime is 6190651. The reversal of 6190649 is 9460916.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6190649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6150649) 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, 1499 + ... + 3824.

It is an arithmetic number, because the mean of its divisors is an integer number (1549284).

Almost surely, 2^6190649 is an apocalyptic number.

It is an amenable number.

6190649 is a deficient number, since it is larger than the sum of its proper divisors (6487).

6190649 is a wasteful number, since it uses less digits than its factorization.

6190649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6486.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 6190649 is about 2488.1014850685. The cubic root of 6190649 is about 183.6166502842.

The spelling of 6190649 in words is "six million, one hundred ninety thousand, six hundred forty-nine".