6940464 has 20 divisors (see below), whose sum is σ = 17929656. Its totient is φ = 2313472.

The previous prime is 6940441. The next prime is 6940477. The reversal of 6940464 is 4640496.

6940464 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72249 + ... + 72344.

Almost surely, 2^6940464 is an apocalyptic number.

It is an amenable number.

6940464 is an abundant number, since it is smaller than the sum of its proper divisors (10989192).

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

6940464 is a wasteful number, since it uses less digits than its factorization.

6940464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144604 (or 144598 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 6940464 is about 2634.4760389876. The cubic root of 6940464 is about 190.7492483539.

Subtracting from 6940464 its reverse (4640496), we obtain a cube (2299968 = 132³).

The spelling of 6940464 in words is "six million, nine hundred forty thousand, four hundred sixty-four".