34680639 has 24 divisors (see below), whose sum is σ = 53719680. Its totient is φ = 19494432.

The previous prime is 34680631. The next prime is 34680641. The reversal of 34680639 is 93608643.

It is not a de Polignac number, because 34680639 - 2³ = 34680631 is a prime.

It is a super-3 number, since 3×34680639³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34680597 and 34680606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34680631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 249432 + ... + 249570.

It is an arithmetic number, because the mean of its divisors is an integer number (2238320).

Almost surely, 2^34680639 is an apocalyptic number.

34680639 is a deficient number, since it is larger than the sum of its proper divisors (19039041).

34680639 is a wasteful number, since it uses less digits than its factorization.

34680639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 34680639 is about 5889.0269994287. The cubic root of 34680639 is about 326.1086838245.

The spelling of 34680639 in words is "thirty-four million, six hundred eighty thousand, six hundred thirty-nine".