2146490 has 16 divisors (see below), whose sum is σ = 3946752. Its totient is φ = 840144.

The previous prime is 2146489. The next prime is 2146499. The reversal of 2146490 is 946412.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2146499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1814 + ... + 2753.

It is an arithmetic number, because the mean of its divisors is an integer number (246672).

2^2146490 is an apocalyptic number.

2146490 is a deficient number, since it is larger than the sum of its proper divisors (1800262).

2146490 is a wasteful number, since it uses less digits than its factorization.

2146490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4621.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2146490 is about 1465.0904408943. The cubic root of 2146490 is about 128.9960137382.

The spelling of 2146490 in words is "two million, one hundred forty-six thousand, four hundred ninety".