354891994 has 8 divisors (see below), whose sum is σ = 560355840. Its totient is φ = 168106716.

The previous prime is 354891991. The next prime is 354892003. The reversal of 354891994 is 499198453.

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

It is not an unprimeable number, because it can be changed into a prime (354891991) 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, 4669594 + ... + 4669669.

It is an arithmetic number, because the mean of its divisors is an integer number (70044480).

Almost surely, 2^354891994 is an apocalyptic number.

354891994 is a deficient number, since it is larger than the sum of its proper divisors (205463846).

354891994 is a wasteful number, since it uses less digits than its factorization.

354891994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9339284.

The product of its digits is 1399680, while the sum is 52.

The square root of 354891994 is about 18838.5772817376. The cubic root of 354891994 is about 707.9980595668.

The spelling of 354891994 in words is "three hundred fifty-four million, eight hundred ninety-one thousand, nine hundred ninety-four".