2342778 has 8 divisors (see below), whose sum is σ = 4685568. Its totient is φ = 780924.

The previous prime is 2342777. The next prime is 2342779. The reversal of 2342778 is 8772432.

It is an interprime number because it is at equal distance from previous prime (2342777) and next prime (2342779).

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

2342778 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2342771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195226 + ... + 195237.

It is an arithmetic number, because the mean of its divisors is an integer number (585696).

2^2342778 is an apocalyptic number.

2342778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2342778 is a wasteful number, since it uses less digits than its factorization.

2342778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390468.

The product of its digits is 18816, while the sum is 33.

The square root of 2342778 is about 1530.6136024484. The cubic root of 2342778 is about 132.8139558687.

The spelling of 2342778 in words is "two million, three hundred forty-two thousand, seven hundred seventy-eight".