2258748 has 18 divisors (see below), whose sum is σ = 5709704. Its totient is φ = 752904.

The previous prime is 2258743. The next prime is 2258779. The reversal of 2258748 is 8478522.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 62743 = 2258748 / (2 + 2 + 5 + 8 + 7 + 4 + 8).

It is a d-powerful number, because it can be written as 2¹⁹ + 2²⁰ + 5⁸ + 8⁵ + 7³ + 4 + 8⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2258741) 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, 31336 + ... + 31407.

2^2258748 is an apocalyptic number.

It is an amenable number.

2258748 is an abundant number, since it is smaller than the sum of its proper divisors (3450956).

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

2258748 is a wasteful number, since it uses less digits than its factorization.

2258748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62753 (or 62748 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 2258748 is about 1502.9131711446. The cubic root of 2258748 is about 131.2066741350.

The spelling of 2258748 in words is "two million, two hundred fifty-eight thousand, seven hundred forty-eight".