348747478 has 8 divisors (see below), whose sum is σ = 523290960. Its totient is φ = 174317160.

The previous prime is 348747467. The next prime is 348747481. The reversal of 348747478 is 874747843.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×348747478² = 243249606822720968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20113 + ... + 33196.

It is an arithmetic number, because the mean of its divisors is an integer number (65411370).

Almost surely, 2^348747478 is an apocalyptic number.

348747478 is a deficient number, since it is larger than the sum of its proper divisors (174543482).

348747478 is a wasteful number, since it uses less digits than its factorization.

348747478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56582.

The product of its digits is 4214784, while the sum is 52.

The square root of 348747478 is about 18674.7818728894. The cubic root of 348747478 is about 703.8882115781. Note that the first 3 decimals are identical.

The spelling of 348747478 in words is "three hundred forty-eight million, seven hundred forty-seven thousand, four hundred seventy-eight".