348494557 has 8 divisors (see below), whose sum is σ = 355678776. Its totient is φ = 341332992.

The previous prime is 348494539. The next prime is 348494569. The reversal of 348494557 is 755494843.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2013561 + 346480996 = 1419^2 + 18614^2 .

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 348494557 - 2⁷ = 348494429 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 348494557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348491557) 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, 27373 + ... + 38029.

It is an arithmetic number, because the mean of its divisors is an integer number (44459847).

Almost surely, 2^348494557 is an apocalyptic number.

It is an amenable number.

348494557 is a deficient number, since it is larger than the sum of its proper divisors (7184219).

348494557 is a wasteful number, since it uses less digits than its factorization.

348494557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11327.

The product of its digits is 2419200, while the sum is 49.

The square root of 348494557 is about 18668.0089190037. The cubic root of 348494557 is about 703.7180109068.

The spelling of 348494557 in words is "three hundred forty-eight million, four hundred ninety-four thousand, five hundred fifty-seven".