2978250 has 96 divisors (see below), whose sum is σ = 8558784. Its totient is φ = 684000.

The previous prime is 2978233. The next prime is 2978251. The reversal of 2978250 is 528792.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2978251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156741 + ... + 156759.

It is an arithmetic number, because the mean of its divisors is an integer number (89154).

2^2978250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2978250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4279392).

2978250 is an abundant number, since it is smaller than the sum of its proper divisors (5580534).

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

2978250 is a wasteful number, since it uses less digits than its factorization.

2978250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 2978250 is about 1725.7607018356. The cubic root of 2978250 is about 143.8755676616.

The spelling of 2978250 in words is "two million, nine hundred seventy-eight thousand, two hundred fifty".