7648646 has 4 divisors (see below), whose sum is σ = 11472972. Its totient is φ = 3824322.

The previous prime is 7648643. The next prime is 7648649. The reversal of 7648646 is 6468467.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6468467 = 739 ⋅8753.

It is an interprime number because it is at equal distance from previous prime (7648643) and next prime (7648649).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7648643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1912160 + ... + 1912163.

It is an arithmetic number, because the mean of its divisors is an integer number (2868243).

Almost surely, 2^7648646 is an apocalyptic number.

7648646 is a deficient number, since it is larger than the sum of its proper divisors (3824326).

7648646 is a wasteful number, since it uses less digits than its factorization.

7648646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824325.

The product of its digits is 193536, while the sum is 41.

The square root of 7648646 is about 2765.6185564897. The cubic root of 7648646 is about 197.0281080252.

The spelling of 7648646 in words is "seven million, six hundred forty-eight thousand, six hundred forty-six".