348978654 has 12 divisors (see below), whose sum is σ = 756120456. Its totient is φ = 116326212.

The previous prime is 348978653. The next prime is 348978661. The reversal of 348978654 is 456879843.

It is a super-2 number, since 2×348978654² = 243572201895303432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 348978654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348978653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9693834 + ... + 9693869.

It is an arithmetic number, because the mean of its divisors is an integer number (63010038).

Almost surely, 2^348978654 is an apocalyptic number.

348978654 is an abundant number, since it is smaller than the sum of its proper divisors (407141802).

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

348978654 is a wasteful number, since it uses less digits than its factorization.

348978654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19387711 (or 19387708 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 348978654 is about 18680.9703709417. The cubic root of 348978654 is about 704.0437072016.

The spelling of 348978654 in words is "three hundred forty-eight million, nine hundred seventy-eight thousand, six hundred fifty-four".