7954489 has 4 divisors (see below), whose sum is σ = 7992400. Its totient is φ = 7916580.

The previous prime is 7954477. The next prime is 7954523. The reversal of 7954489 is 9844597.

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 7954489 - 2⁷ = 7954361 is a prime.

It is a super-2 number, since 2×7954489² = 126547790502242, which contains 22 as substring.

It is a Duffinian number.

7954489 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7954459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18639 + ... + 19060.

It is an arithmetic number, because the mean of its divisors is an integer number (1998100).

Almost surely, 2^7954489 is an apocalyptic number.

It is an amenable number.

7954489 is a deficient number, since it is larger than the sum of its proper divisors (37911).

7954489 is a wasteful number, since it uses less digits than its factorization.

7954489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37910.

The product of its digits is 362880, while the sum is 46.

The square root of 7954489 is about 2820.3703657499. The cubic root of 7954489 is about 199.6200202006.

The spelling of 7954489 in words is "seven million, nine hundred fifty-four thousand, four hundred eighty-nine".