348972978 has 16 divisors (see below), whose sum is σ = 704857536. Its totient is φ = 115172400.

The previous prime is 348972959. The next prime is 348973021. The reversal of 348972978 is 879279843.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287326 + ... + 288537.

It is an arithmetic number, because the mean of its divisors is an integer number (44053596).

Almost surely, 2^348972978 is an apocalyptic number.

348972978 is an abundant number, since it is smaller than the sum of its proper divisors (355884558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

348972978 is a wasteful number, since it uses less digits than its factorization.

348972978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575969.

The product of its digits is 6096384, while the sum is 57.

The square root of 348972978 is about 18680.8184510208. The cubic root of 348972978 is about 704.0398901833.

It can be divided in two parts, 3489 and 72978, that added together give a palindrome (76467).

The spelling of 348972978 in words is "three hundred forty-eight million, nine hundred seventy-two thousand, nine hundred seventy-eight".