2393042387 has 4 divisors (see below), whose sum is σ = 2475561120. Its totient is φ = 2310523656.

The previous prime is 2393042357. The next prime is 2393042423. The reversal of 2393042387 is 7832403932.

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 2393042387 - 2⁸ = 2393042131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2393042357) 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, 41259323 + ... + 41259380.

It is an arithmetic number, because the mean of its divisors is an integer number (618890280).

Almost surely, 2^2393042387 is an apocalyptic number.

2393042387 is a deficient number, since it is larger than the sum of its proper divisors (82518733).

2393042387 is an equidigital number, since it uses as much as digits as its factorization.

2393042387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82518732.

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 2393042387 is about 48918.7324754025. The cubic root of 2393042387 is about 1337.5708547435.

The spelling of 2393042387 in words is "two billion, three hundred ninety-three million, forty-two thousand, three hundred eighty-seven".