2054646 has 40 divisors (see below), whose sum is σ = 5026824. Its totient is φ = 622080.

The previous prime is 2054639. The next prime is 2054687. The reversal of 2054646 is 6464502.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1206 + ... + 2358.

2^2054646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2054646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2513412).

2054646 is an abundant number, since it is smaller than the sum of its proper divisors (2972178).

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

2054646 is a wasteful number, since it uses less digits than its factorization.

2054646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178 (or 1169 counting only the distinct ones).

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

The square root of 2054646 is about 1433.4036416865. The cubic root of 2054646 is about 127.1293038979.

It can be divided in two parts, 205 and 4646, that added together give a triangular number (4851 = T₉₈).

The spelling of 2054646 in words is "two million, fifty-four thousand, six hundred forty-six".