2051748 has 18 divisors (see below), whose sum is σ = 5186454. Its totient is φ = 683904.

The previous prime is 2051743. The next prime is 2051759. The reversal of 2051748 is 8471502.

It can be written as a sum of positive squares in only one way, i.e., 1954404 + 97344 = 1398^2 + 312^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (2051743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28461 + ... + 28532.

2^2051748 is an apocalyptic number.

It is an amenable number.

2051748 is an abundant number, since it is smaller than the sum of its proper divisors (3134706).

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

2051748 is a wasteful number, since it uses less digits than its factorization.

2051748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57003 (or 56998 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 2051748 is about 1432.3924043362. The cubic root of 2051748 is about 127.0695054261.

It can be divided in two parts, 205 and 1748, that added together give a triangular number (1953 = T₆₂).

The spelling of 2051748 in words is "two million, fifty-one thousand, seven hundred forty-eight".