2258946 has 12 divisors (see below), whose sum is σ = 4894422. Its totient is φ = 752976.

The previous prime is 2258917. The next prime is 2258947. The reversal of 2258946 is 6498522.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1718721 + 540225 = 1311^2 + 735^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 2¹³ + 2²¹ + 5⁷ + 8 + 9⁵ + 4⁷ + 6² .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2258946.

It is not an unprimeable number, because it can be changed into a prime (2258947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62731 + ... + 62766.

2^2258946 is an apocalyptic number.

2258946 is an abundant number, since it is smaller than the sum of its proper divisors (2635476).

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

2258946 is a wasteful number, since it uses less digits than its factorization.

2258946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125505 (or 125502 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 2258946 is about 1502.9790417700. The cubic root of 2258946 is about 131.2105078462.

The spelling of 2258946 in words is "two million, two hundred fifty-eight thousand, nine hundred forty-six".