348490261 has 16 divisors (see below), whose sum is σ = 402716160. Its totient is φ = 295392240.

The previous prime is 348490243. The next prime is 348490271. The reversal of 348490261 is 162094843.

It is a cyclic number.

It is not a de Polignac number, because 348490261 - 2¹¹ = 348488213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 348490261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348490271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383770 + ... + 384676.

It is an arithmetic number, because the mean of its divisors is an integer number (25169760).

Almost surely, 2^348490261 is an apocalyptic number.

It is an amenable number.

348490261 is a deficient number, since it is larger than the sum of its proper divisors (54225899).

348490261 is a wasteful number, since it uses less digits than its factorization.

348490261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 348490261 is about 18667.8938554943. The cubic root of 348490261 is about 703.7151192452.

The spelling of 348490261 in words is "three hundred forty-eight million, four hundred ninety thousand, two hundred sixty-one".