350940978 has 48 divisors (see below), whose sum is σ = 788528160. Its totient is φ = 115695216.

The previous prime is 350940949. The next prime is 350941007. The reversal of 350940978 is 879049053.

It is an interprime number because it is at equal distance from previous prime (350940949) and next prime (350941007).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 641301 + ... + 641847.

It is an arithmetic number, because the mean of its divisors is an integer number (16427670).

Almost surely, 2^350940978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 350940978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394264080).

350940978 is an abundant number, since it is smaller than the sum of its proper divisors (437587182).

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

350940978 is a wasteful number, since it uses less digits than its factorization.

350940978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 350940978 is about 18733.4187483225. The cubic root of 350940978 is about 705.3608655027.

The spelling of 350940978 in words is "three hundred fifty million, nine hundred forty thousand, nine hundred seventy-eight".