2077644 has 12 divisors (see below), whose sum is σ = 4847864. Its totient is φ = 692544.

The previous prime is 2077639. The next prime is 2077667. The reversal of 2077644 is 4467702.

It is a tau number, because it is divible by the number of its divisors (12).

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, 86557 + ... + 86580.

2^2077644 is an apocalyptic number.

It is an amenable number.

2077644 is an abundant number, since it is smaller than the sum of its proper divisors (2770220).

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

2077644 is a wasteful number, since it uses less digits than its factorization.

2077644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173144 (or 173142 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 2077644 is about 1441.4034827209. The cubic root of 2077644 is about 127.6018716785.

The spelling of 2077644 in words is "two million, seventy-seven thousand, six hundred forty-four".