3390239987 has 4 divisors (see below), whose sum is σ = 3391476000. Its totient is φ = 3389003976.

The previous prime is 3390239969. The next prime is 3390240001. The reversal of 3390239987 is 7899320933.

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 3390239987 - 2¹⁰ = 3390238963 is a prime.

It is a super-2 number, since 2×3390239987² = 22987454338907520338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3390239917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613883 + ... + 619380.

It is an arithmetic number, because the mean of its divisors is an integer number (847869000).

Almost surely, 2^3390239987 is an apocalyptic number.

3390239987 is a deficient number, since it is larger than the sum of its proper divisors (1236013).

3390239987 is a wasteful number, since it uses less digits than its factorization.

3390239987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236012.

The product of its (nonzero) digits is 2204496, while the sum is 53.

The square root of 3390239987 is about 58225.7673800870. The cubic root of 3390239987 is about 1502.2543859837.

The spelling of 3390239987 in words is "three billion, three hundred ninety million, two hundred thirty-nine thousand, nine hundred eighty-seven".