353689428 has 24 divisors (see below), whose sum is σ = 827150688. Its totient is φ = 117628576.

The previous prime is 353689421. The next prime is 353689433. The reversal of 353689428 is 824986353.

It is a super-2 number, since 2×353689428² = 250192422957934368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353689421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27951 + ... + 38582.

It is an arithmetic number, because the mean of its divisors is an integer number (34464612).

Almost surely, 2^353689428 is an apocalyptic number.

It is an amenable number.

353689428 is an abundant number, since it is smaller than the sum of its proper divisors (473461260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

353689428 is a wasteful number, since it uses less digits than its factorization.

353689428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66983 (or 66981 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The square root of 353689428 is about 18806.6325534371. The cubic root of 353689428 is about 707.1974611617.

The spelling of 353689428 in words is "three hundred fifty-three million, six hundred eighty-nine thousand, four hundred twenty-eight".