34436987 has 16 divisors (see below), whose sum is σ = 39432960. Its totient is φ = 29810592.

The previous prime is 34436933. The next prime is 34436989. The reversal of 34436987 is 78963443.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 34436987 - 2²⁴ = 17659771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34436989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25778 + ... + 27080.

It is an arithmetic number, because the mean of its divisors is an integer number (2464560).

Almost surely, 2^34436987 is an apocalyptic number.

34436987 is a deficient number, since it is larger than the sum of its proper divisors (4995973).

34436987 is a wasteful number, since it uses less digits than its factorization.

34436987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442.

The product of its digits is 435456, while the sum is 44.

The square root of 34436987 is about 5868.3035879204. The cubic root of 34436987 is about 325.3431862003.

The spelling of 34436987 in words is "thirty-four million, four hundred thirty-six thousand, nine hundred eighty-seven".