2054664 has 24 divisors (see below), whose sum is σ = 5564910. Its totient is φ = 684864.

The previous prime is 2054639. The next prime is 2054687. The reversal of 2054664 is 4664502.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1988100 + 66564 = 1410^2 + 258^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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, 14197 + ... + 14340.

2^2054664 is an apocalyptic number.

2054664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2054664 is an abundant number, since it is smaller than the sum of its proper divisors (3510246).

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

2054664 is a wasteful number, since it uses less digits than its factorization.

2054664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28549 (or 28542 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 2054664 is about 1433.4099204345. The cubic root of 2054664 is about 127.1296751413.

The spelling of 2054664 in words is "two million, fifty-four thousand, six hundred sixty-four".