5643954 has 12 divisors (see below), whose sum is σ = 12228606. Its totient is φ = 1881312.

The previous prime is 5643923. The next prime is 5643961. The reversal of 5643954 is 4593465.

It is a happy number.

5643954 is a `hidden beast` number, since 5 + 643 + 9 + 5 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3697929 + 1946025 = 1923^2 + 1395^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156759 + ... + 156794.

Almost surely, 2^5643954 is an apocalyptic number.

5643954 is an abundant number, since it is smaller than the sum of its proper divisors (6584652).

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

5643954 is a wasteful number, since it uses less digits than its factorization.

5643954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313561 (or 313558 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 5643954 is about 2375.7007387295. The cubic root of 5643954 is about 178.0441964066.

The spelling of 5643954 in words is "five million, six hundred forty-three thousand, nine hundred fifty-four".