7649189 has 4 divisors (see below), whose sum is σ = 7763424. Its totient is φ = 7534956.

The previous prime is 7649177. The next prime is 7649209. The reversal of 7649189 is 9819467.

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 a de Polignac number, because none of the positive numbers 2^k-7649189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7649489) 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, 57017 + ... + 57150.

It is an arithmetic number, because the mean of its divisors is an integer number (1940856).

Almost surely, 2^7649189 is an apocalyptic number.

It is an amenable number.

7649189 is a deficient number, since it is larger than the sum of its proper divisors (114235).

7649189 is a wasteful number, since it uses less digits than its factorization.

7649189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114234.

The product of its digits is 108864, while the sum is 44.

The square root of 7649189 is about 2765.7167244676. The cubic root of 7649189 is about 197.0327704509.

The spelling of 7649189 in words is "seven million, six hundred forty-nine thousand, one hundred eighty-nine".