394820350 has 24 divisors (see below), whose sum is σ = 744715728. Its totient is φ = 155702400.

The previous prime is 394820341. The next prime is 394820353. The reversal of 394820350 is 53028493.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394820353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52059 + ... + 59158.

It is an arithmetic number, because the mean of its divisors is an integer number (31029822).

Almost surely, 2^394820350 is an apocalyptic number.

394820350 is a deficient number, since it is larger than the sum of its proper divisors (349895378).

394820350 is a wasteful number, since it uses less digits than its factorization.

394820350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111300 (or 111295 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 394820350 is about 19870.0868141033. The cubic root of 394820350 is about 733.6121403135.

It can be divided in two parts, 394820 and 350, that multiplied together give a triangular number (138187000 = T₁₆₆₂₄).

The spelling of 394820350 in words is "three hundred ninety-four million, eight hundred twenty thousand, three hundred fifty".