7649646 has 8 divisors (see below), whose sum is σ = 15299304. Its totient is φ = 2549880.

The previous prime is 7649641. The next prime is 7649651. The reversal of 7649646 is 6469467.

It is an interprime number because it is at equal distance from previous prime (7649641) and next prime (7649651).

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

7649646 is an admirable number.

It is a super-4 number, since 4×7649646⁴ (a number of 29 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7649598 and 7649607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7649641) 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, 637465 + ... + 637476.

It is an arithmetic number, because the mean of its divisors is an integer number (1912413).

Almost surely, 2^7649646 is an apocalyptic number.

7649646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7649646 is a wasteful number, since it uses less digits than its factorization.

7649646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274946.

The product of its digits is 217728, while the sum is 42.

The square root of 7649646 is about 2765.7993419625. The cubic root of 7649646 is about 197.0366942736.

The spelling of 7649646 in words is "seven million, six hundred forty-nine thousand, six hundred forty-six".