2146003406 has 4 divisors (see below), whose sum is σ = 3219005112. Its totient is φ = 1073001702.

The previous prime is 2146003399. The next prime is 2146003421. The reversal of 2146003406 is 6043006412.

It is a semiprime because it is the product of two primes.

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, 536500850 + ... + 536500853.

It is an arithmetic number, because the mean of its divisors is an integer number (804751278).

Almost surely, 2^2146003406 is an apocalyptic number.

2146003406 is a deficient number, since it is larger than the sum of its proper divisors (1073001706).

2146003406 is a wasteful number, since it uses less digits than its factorization.

2146003406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073001705.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2146003406 is about 46324.9760496430. The cubic root of 2146003406 is about 1289.8626550889.

Adding to 2146003406 its reverse (6043006412), we get a palindrome (8189009818).

The spelling of 2146003406 in words is "two billion, one hundred forty-six million, three thousand, four hundred six".