348087457 has 4 divisors (see below), whose sum is σ = 348699780. Its totient is φ = 347475136.

The previous prime is 348087419. The next prime is 348087479. The reversal of 348087457 is 754780843.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 169624576 + 178462881 = 13024^2 + 13359^2 .

It is a cyclic number.

It is not a de Polignac number, because 348087457 - 2¹⁹ = 347563169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348087757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305308 + ... + 306445.

It is an arithmetic number, because the mean of its divisors is an integer number (87174945).

Almost surely, 2^348087457 is an apocalyptic number.

It is an amenable number.

348087457 is a deficient number, since it is larger than the sum of its proper divisors (612323).

348087457 is an equidigital number, since it uses as much as digits as its factorization.

348087457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612322.

The product of its (nonzero) digits is 752640, while the sum is 46.

The square root of 348087457 is about 18657.1020525697. The cubic root of 348087457 is about 703.4438839775.

The spelling of 348087457 in words is "three hundred forty-eight million, eighty-seven thousand, four hundred fifty-seven".