394034837 has 8 divisors (see below), whose sum is σ = 453566400. Its totient is φ = 335313504.

The previous prime is 394034747. The next prime is 394034881. The reversal of 394034837 is 738430493.

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

It is a cyclic number.

It is not a de Polignac number, because 394034837 - 2¹⁴ = 394018453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 394034794 and 394034803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394034737) 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 7 ways as a sum of consecutive naturals, for example, 201512 + ... + 203457.

It is an arithmetic number, because the mean of its divisors is an integer number (56695800).

Almost surely, 2^394034837 is an apocalyptic number.

It is an amenable number.

394034837 is a deficient number, since it is larger than the sum of its proper divisors (59531563).

394034837 is a wasteful number, since it uses less digits than its factorization.

394034837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405115.

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 394034837 is about 19850.3107532351. The cubic root of 394034837 is about 733.1252990936.

The spelling of 394034837 in words is "three hundred ninety-four million, thirty-four thousand, eight hundred thirty-seven".