2578950 has 72 divisors (see below), whose sum is σ = 7573176. Its totient is φ = 624000.

The previous prime is 2578943. The next prime is 2578963. The reversal of 2578950 is 598752.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4690 + ... + 5210.

It is an arithmetic number, because the mean of its divisors is an integer number (105183).

2^2578950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2578950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3786588).

2578950 is an abundant number, since it is smaller than the sum of its proper divisors (4994226).

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

2578950 is a wasteful number, since it uses less digits than its factorization.

2578950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 2578950 is about 1605.9109564356. The cubic root of 2578950 is about 137.1347884018.

The spelling of 2578950 in words is "two million, five hundred seventy-eight thousand, nine hundred fifty".