2840783401 has 3 divisors (see below), whose sum is σ = 2840836701. Its totient is φ = 2840730102.

The previous prime is 2840783327. The next prime is 2840783417. The reversal of 2840783401 is 1043870482.

The square root of 2840783401 is 53299.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 2840783401 - 2⁷ = 2840783273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2840783471) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 26650 + ... + 79948.

It is an arithmetic number, because the mean of its divisors is an integer number (946945567).

Almost surely, 2^2840783401 is an apocalyptic number.

2840783401 is the 53299-th square number.

2840783401 is the 26650-th centered octagonal number.

It is an amenable number.

2840783401 is a deficient number, since it is larger than the sum of its proper divisors (53300).

2840783401 is an frugal number, since it uses more digits than its factorization.

2840783401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106598 (or 53299 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The cubic root of 2840783401 is about 1416.2699501353.

The spelling of 2840783401 in words is "two billion, eight hundred forty million, seven hundred eighty-three thousand, four hundred one".