6963645 has 48 divisors (see below), whose sum is σ = 12543552. Its totient is φ = 3294720.

The previous prime is 6963611. The next prime is 6963673. The reversal of 6963645 is 5463696.

It is a happy number.

6963645 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6963645 - 2⁹ = 6963133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 103902 + ... + 103968.

It is an arithmetic number, because the mean of its divisors is an integer number (261324).

Almost surely, 2^6963645 is an apocalyptic number.

6963645 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6963645 is a deficient number, since it is larger than the sum of its proper divisors (5579907).

6963645 is a wasteful number, since it uses less digits than its factorization.

6963645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 129 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 6963645 is about 2638.8719180741. The cubic root of 6963645 is about 190.9613784834.

The spelling of 6963645 in words is "six million, nine hundred sixty-three thousand, six hundred forty-five".