2190474 has 96 divisors (see below), whose sum is σ = 5975424. Its totient is φ = 570240.

The previous prime is 2190473. The next prime is 2190479. The reversal of 2190474 is 4740912.

It is a happy number.

2190474 is a `hidden beast` number, since 2 + 190 + 474 = 666.

It is not an unprimeable number, because it can be changed into a prime (2190473) 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, 59184 + ... + 59220.

It is an arithmetic number, because the mean of its divisors is an integer number (62244).

2^2190474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2190474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2987712).

2190474 is an abundant number, since it is smaller than the sum of its proper divisors (3784950).

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

2190474 is a wasteful number, since it uses less digits than its factorization.

2190474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 2190474 is about 1480.0249997889. The cubic root of 2190474 is about 129.8711543920.

The spelling of 2190474 in words is "two million, one hundred ninety thousand, four hundred seventy-four".