2402347 has 4 divisors (see below), whose sum is σ = 2406880. Its totient is φ = 2397816.

The previous prime is 2402333. The next prime is 2402353. The reversal of 2402347 is 7432042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2402347 - 2¹⁹ = 1878059 is a prime.

It is a super-2 number, since 2×2402347² = 11542542216818, which contains 22 as substring.

It is a Duffinian number.

2402347 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2402317) 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, 1347 + ... + 2572.

It is an arithmetic number, because the mean of its divisors is an integer number (601720).

2^2402347 is an apocalyptic number.

2402347 is a deficient number, since it is larger than the sum of its proper divisors (4533).

2402347 is an equidigital number, since it uses as much as digits as its factorization.

2402347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4532.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 2402347 is about 1549.9506443755. The cubic root of 2402347 is about 133.9302191069.

Adding to 2402347 its reverse (7432042), we get a palindrome (9834389).

The spelling of 2402347 in words is "two million, four hundred two thousand, three hundred forty-seven".