354920789 has 4 divisors (see below), whose sum is σ = 357630240. Its totient is φ = 352211340.

The previous prime is 354920773. The next prime is 354920801. The reversal of 354920789 is 987029453.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 987029453 = 199 ⋅4959947.

It is a cyclic number.

It is not a de Polignac number, because 354920789 - 2⁴ = 354920773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354920729) 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, 1354529 + ... + 1354790.

It is an arithmetic number, because the mean of its divisors is an integer number (89407560).

Almost surely, 2^354920789 is an apocalyptic number.

It is an amenable number.

354920789 is a deficient number, since it is larger than the sum of its proper divisors (2709451).

354920789 is a wasteful number, since it uses less digits than its factorization.

354920789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709450.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 354920789 is about 18839.3415224630. The cubic root of 354920789 is about 708.0172074137.

The spelling of 354920789 in words is "three hundred fifty-four million, nine hundred twenty thousand, seven hundred eighty-nine".