2783902 has 8 divisors (see below), whose sum is σ = 4555512. Its totient is φ = 1265400.

The previous prime is 2783887. The next prime is 2783909. The reversal of 2783902 is 2093872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2783902² = 15500220691208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2783909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63249 + ... + 63292.

It is an arithmetic number, because the mean of its divisors is an integer number (569439).

2^2783902 is an apocalyptic number.

2783902 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2783902 is a deficient number, since it is larger than the sum of its proper divisors (1771610).

2783902 is a wasteful number, since it uses less digits than its factorization.

2783902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126554.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2783902 is about 1668.5029217835. The cubic root of 2783902 is about 140.6753424366.

The spelling of 2783902 in words is "two million, seven hundred eighty-three thousand, nine hundred two".