34087861 has 4 divisors (see below), whose sum is σ = 34554892. Its totient is φ = 33620832.

The previous prime is 34087819. The next prime is 34087871. The reversal of 34087861 is 16878043.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15760900 + 18326961 = 3970^2 + 4281^2 .

It is a cyclic number.

It is not a de Polignac number, because 34087861 - 2⁷ = 34087733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34087861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34087871) 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, 233406 + ... + 233551.

It is an arithmetic number, because the mean of its divisors is an integer number (8638723).

Almost surely, 2^34087861 is an apocalyptic number.

It is an amenable number.

34087861 is a deficient number, since it is larger than the sum of its proper divisors (467031).

34087861 is an equidigital number, since it uses as much as digits as its factorization.

34087861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467030.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 34087861 is about 5838.4810524656. The cubic root of 34087861 is about 324.2399945433.

The spelling of 34087861 in words is "thirty-four million, eighty-seven thousand, eight hundred sixty-one".