7919049 has 8 divisors (see below), whose sum is σ = 10605760. Its totient is φ = 5255856.

The previous prime is 7919047. The next prime is 7919053. The reversal of 7919049 is 9409197.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7919049 - 2¹ = 7919047 is a prime.

It is a super-2 number, since 2×7919049² = 125422674128802, which contains 22 as substring.

It is a Duffinian number.

7919049 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7918998 and 7919016.

It is not an unprimeable number, because it can be changed into a prime (7919047) 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 7 ways as a sum of consecutive naturals, for example, 5077 + ... + 6450.

It is an arithmetic number, because the mean of its divisors is an integer number (1325720).

Almost surely, 2^7919049 is an apocalyptic number.

It is an amenable number.

7919049 is a deficient number, since it is larger than the sum of its proper divisors (2686711).

7919049 is a wasteful number, since it uses less digits than its factorization.

7919049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11759.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 7919049 is about 2814.0804892540. The cubic root of 7919049 is about 199.3231200856.

The spelling of 7919049 in words is "seven million, nine hundred nineteen thousand, forty-nine".