34256642 has 8 divisors (see below), whose sum is σ = 58725696. Its totient is φ = 14681412.

The previous prime is 34256633. The next prime is 34256653. The reversal of 34256642 is 24665243.

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

It is a super-2 number, since 2×34256642² = 2347035042232328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34256599 and 34256608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1223438 + ... + 1223465.

It is an arithmetic number, because the mean of its divisors is an integer number (7340712).

Almost surely, 2^34256642 is an apocalyptic number.

34256642 is a deficient number, since it is larger than the sum of its proper divisors (24469054).

34256642 is a wasteful number, since it uses less digits than its factorization.

34256642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446912.

The product of its digits is 34560, while the sum is 32.

The square root of 34256642 is about 5852.9173922071. The cubic root of 34256642 is about 324.7742558583.

The spelling of 34256642 in words is "thirty-four million, two hundred fifty-six thousand, six hundred forty-two".