2067390 has 128 divisors (see below), whose sum is σ = 6451200. Its totient is φ = 466560.

The previous prime is 2067383. The next prime is 2067407. The reversal of 2067390 is 937602.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66675 + ... + 66705.

It is an arithmetic number, because the mean of its divisors is an integer number (50400).

2^2067390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2067390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3225600).

2067390 is an abundant number, since it is smaller than the sum of its proper divisors (4383810).

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

2067390 is a wasteful number, since it uses less digits than its factorization.

2067390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 2067390 is about 1437.8421331982. The cubic root of 2067390 is about 127.3916033723.

The spelling of 2067390 in words is "two million, sixty-seven thousand, three hundred ninety".