34999987 has 8 divisors (see below), whose sum is σ = 38292480. Its totient is φ = 31725960.

The previous prime is 34999969. The next prime is 35000011. The reversal of 34999987 is 78999943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34999987 - 2¹⁹ = 34475699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34999907) 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, 483 + ... + 8380.

It is an arithmetic number, because the mean of its divisors is an integer number (4786560).

Almost surely, 2^34999987 is an apocalyptic number.

34999987 is a deficient number, since it is larger than the sum of its proper divisors (3292493).

34999987 is a wasteful number, since it uses less digits than its factorization.

34999987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9233.

The product of its digits is 4408992, while the sum is 58.

The square root of 34999987 is about 5916.0786843990. The cubic root of 34999987 is about 327.1065905199.

The spelling of 34999987 in words is "thirty-four million, nine hundred ninety-nine thousand, nine hundred eighty-seven".