2293947 has 8 divisors (see below), whose sum is σ = 3398480. Its totient is φ = 1529280.

The previous prime is 2293937. The next prime is 2293957. The reversal of 2293947 is 7493922.

It is an interprime number because it is at equal distance from previous prime (2293937) and next prime (2293957).

It is not a de Polignac number, because 2293947 - 2⁶ = 2293883 is a prime.

It is a Duffinian number.

2293947 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2293937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42454 + ... + 42507.

It is an arithmetic number, because the mean of its divisors is an integer number (424810).

2^2293947 is an apocalyptic number.

2293947 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2293947 is a deficient number, since it is larger than the sum of its proper divisors (1104533).

2293947 is an equidigital number, since it uses as much as digits as its factorization.

2293947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84970 (or 84964 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 2293947 is about 1514.5781590925. The cubic root of 2293947 is about 131.8847133895.

It can be divided in two parts, 2293 and 947, that added together give a triangular number (3240 = T₈₀).

The spelling of 2293947 in words is "two million, two hundred ninety-three thousand, nine hundred forty-seven".