352394109 has 48 divisors (see below), whose sum is σ = 561600000. Its totient is φ = 212179968.

The previous prime is 352394099. The next prime is 352394111. The reversal of 352394109 is 901493253.

It is a happy number.

352394109 is a `hidden beast` number, since 3 + 5 + 239 + 410 + 9 = 666.

It is not a de Polignac number, because 352394109 - 2⁷ = 352393981 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352399109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 281517 + ... + 282765.

It is an arithmetic number, because the mean of its divisors is an integer number (11700000).

Almost surely, 2^352394109 is an apocalyptic number.

It is an amenable number.

352394109 is a deficient number, since it is larger than the sum of its proper divisors (209205891).

352394109 is a wasteful number, since it uses less digits than its factorization.

352394109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354 (or 1351 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 352394109 is about 18772.1631412046. The cubic root of 352394109 is about 706.3330805336. Note that the first 3 decimals are identical.

The spelling of 352394109 in words is "three hundred fifty-two million, three hundred ninety-four thousand, one hundred nine".