2404001987 has 2 divisors, whose sum is σ = 2404001988. Its totient is φ = 2404001986.

The previous prime is 2404001983. The next prime is 2404002047. The reversal of 2404001987 is 7891004042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2404001987 - 2² = 2404001983 is a prime.

It is not a weakly prime, because it can be changed into another prime (2404001983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202000993 + 1202000994.

It is an arithmetic number, because the mean of its divisors is an integer number (1202000994).

Almost surely, 2^2404001987 is an apocalyptic number.

2404001987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2404001987 is an equidigital number, since it uses as much as digits as its factorization.

2404001987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 2404001987 is about 49030.6229513760. The cubic root of 2404001987 is about 1339.6096707850.

The spelling of 2404001987 in words is "two billion, four hundred four million, one thousand, nine hundred eighty-seven".