394298029 has 4 divisors (see below), whose sum is σ = 394689820. Its totient is φ = 393906240.

The previous prime is 394297999. The next prime is 394298053. The reversal of 394298029 is 920892493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 920892493 = 79 ⋅11656867.

It can be written as a sum of positive squares in 2 ways, for example, as 101545929 + 292752100 = 10077^2 + 17110^2 .

It is a cyclic number.

It is not a de Polignac number, because 394298029 - 2⁹ = 394297517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 394298029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394298129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194382 + ... + 196399.

It is an arithmetic number, because the mean of its divisors is an integer number (98672455).

Almost surely, 2^394298029 is an apocalyptic number.

It is an amenable number.

394298029 is a deficient number, since it is larger than the sum of its proper divisors (391791).

394298029 is a wasteful number, since it uses less digits than its factorization.

394298029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391790.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 394298029 is about 19856.9390642163. The cubic root of 394298029 is about 733.2884908990.

The spelling of 394298029 in words is "three hundred ninety-four million, two hundred ninety-eight thousand, twenty-nine".