2190064 has 10 divisors (see below), whose sum is σ = 4243280. Its totient is φ = 1095024.

The previous prime is 2190047. The next prime is 2190077. The reversal of 2190064 is 4600912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68424 + ... + 68455.

It is an arithmetic number, because the mean of its divisors is an integer number (424328).

2^2190064 is an apocalyptic number.

It is an amenable number.

2190064 is a deficient number, since it is larger than the sum of its proper divisors (2053216).

2190064 is a wasteful number, since it uses less digits than its factorization.

2190064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136887 (or 136881 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2190064 is about 1479.8864821330. The cubic root of 2190064 is about 129.8630510476.

Adding to 2190064 its reverse (4600912), we get a palindrome (6790976).

The spelling of 2190064 in words is "two million, one hundred ninety thousand, sixty-four".