34561861 has 8 divisors (see below), whose sum is σ = 35031744. Its totient is φ = 34095360.

The previous prime is 34561859. The next prime is 34561889. The reversal of 34561861 is 16816543.

It is a happy number.

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 34561861 - 2¹ = 34561859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34561831) 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, 24600 + ... + 25966.

It is an arithmetic number, because the mean of its divisors is an integer number (4378968).

Almost surely, 2^34561861 is an apocalyptic number.

It is an amenable number.

34561861 is a deficient number, since it is larger than the sum of its proper divisors (469883).

34561861 is a wasteful number, since it uses less digits than its factorization.

34561861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691.

The product of its digits is 17280, while the sum is 34.

The square root of 34561861 is about 5878.9336618132. The cubic root of 34561861 is about 325.7359605661.

The spelling of 34561861 in words is "thirty-four million, five hundred sixty-one thousand, eight hundred sixty-one".