348721894 has 4 divisors (see below), whose sum is σ = 523082844. Its totient is φ = 174360946.

The previous prime is 348721889. The next prime is 348721907. The reversal of 348721894 is 498127843.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87180472 + ... + 87180475.

It is an arithmetic number, because the mean of its divisors is an integer number (130770711).

Almost surely, 2^348721894 is an apocalyptic number.

348721894 is a deficient number, since it is larger than the sum of its proper divisors (174360950).

348721894 is a wasteful number, since it uses less digits than its factorization.

348721894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174360949.

The product of its digits is 387072, while the sum is 46.

The square root of 348721894 is about 18674.0968724059. The cubic root of 348721894 is about 703.8709988215.

The spelling of 348721894 in words is "three hundred forty-eight million, seven hundred twenty-one thousand, eight hundred ninety-four".