34380261 has 8 divisors (see below), whose sum is σ = 50933760. Its totient is φ = 22920156.

The previous prime is 34380257. The next prime is 34380301. The reversal of 34380261 is 16208343.

It is a happy number.

It is not a de Polignac number, because 34380261 - 2² = 34380257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1273343 = 34380261 / (3 + 4 + 3 + 8 + 0 + 2 + 6 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34380211) 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, 636645 + ... + 636698.

It is an arithmetic number, because the mean of its divisors is an integer number (6366720).

Almost surely, 2^34380261 is an apocalyptic number.

It is an amenable number.

34380261 is a deficient number, since it is larger than the sum of its proper divisors (16553499).

34380261 is a wasteful number, since it uses less digits than its factorization.

34380261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273352 (or 1273346 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 34380261 is about 5863.4683422016. The cubic root of 34380261 is about 325.1644485312.

The spelling of 34380261 in words is "thirty-four million, three hundred eighty thousand, two hundred sixty-one".