2645748 has 36 divisors (see below), whose sum is σ = 7644000. Its totient is φ = 755856.

The previous prime is 2645743. The next prime is 2645749. The reversal of 2645748 is 8475462.

2645748 is a `hidden beast` number, since 2 + 645 + 7 + 4 + 8 = 666.

2645748 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 2¹⁹ + 6⁵ + 4² + 5³ + 7 + 4⁷ + 8⁷ .

2645748 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4998 + ... + 5501.

2^2645748 is an apocalyptic number.

2645748 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2645748 is an abundant number, since it is smaller than the sum of its proper divisors (4998252).

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

2645748 is a wasteful number, since it uses less digits than its factorization.

2645748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10516 (or 10511 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 2645748 is about 1626.5755438958. The cubic root of 2645748 is about 138.3086977306.

The spelling of 2645748 in words is "two million, six hundred forty-five thousand, seven hundred forty-eight".