2847420 has 48 divisors (see below), whose sum is σ = 8860320. Its totient is φ = 759168.

The previous prime is 2847413. The next prime is 2847431. The reversal of 2847420 is 247482.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2097 + ... + 3176.

It is an arithmetic number, because the mean of its divisors is an integer number (184590).

2^2847420 is an apocalyptic number.

2847420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2847420 is an abundant number, since it is smaller than the sum of its proper divisors (6012900).

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

2847420 is a wasteful number, since it uses less digits than its factorization.

2847420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5291 (or 5283 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 2847420 is about 1687.4299985481. The cubic root of 2847420 is about 141.7371982504.

The spelling of 2847420 in words is "two million, eight hundred forty-seven thousand, four hundred twenty".