394078354 has 8 divisors (see below), whose sum is σ = 622229040. Its totient is φ = 186668676.

The previous prime is 394078351. The next prime is 394078357. The reversal of 394078354 is 453870493.

It is an interprime number because it is at equal distance from previous prime (394078351) and next prime (394078357).

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

It is a self number, because there is not a number n which added to its sum of digits gives 394078354.

It is not an unprimeable number, because it can be changed into a prime (394078351) 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, 5185204 + ... + 5185279.

It is an arithmetic number, because the mean of its divisors is an integer number (77778630).

Almost surely, 2^394078354 is an apocalyptic number.

394078354 is a deficient number, since it is larger than the sum of its proper divisors (228150686).

394078354 is a wasteful number, since it uses less digits than its factorization.

394078354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10370504.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 394078354 is about 19851.4068519085. The cubic root of 394078354 is about 733.1522867575.

The spelling of 394078354 in words is "three hundred ninety-four million, seventy-eight thousand, three hundred fifty-four".