353340978 has 8 divisors (see below), whose sum is σ = 706681968. Its totient is φ = 117780324.

The previous prime is 353340961. The next prime is 353340989. The reversal of 353340978 is 879043353.

It is a happy number.

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

353340978 is an admirable 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, 29445076 + ... + 29445087.

It is an arithmetic number, because the mean of its divisors is an integer number (88335246).

Almost surely, 2^353340978 is an apocalyptic number.

353340978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

353340978 is a wasteful number, since it uses less digits than its factorization.

353340978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58890168.

The product of its (nonzero) digits is 272160, while the sum is 42.

The square root of 353340978 is about 18797.3662516854. The cubic root of 353340978 is about 706.9651444224.

The spelling of 353340978 in words is "three hundred fifty-three million, three hundred forty thousand, nine hundred seventy-eight".