357428 has 12 divisors (see below), whose sum is σ = 658560. Its totient is φ = 169272.

The previous prime is 357421. The next prime is 357431. The reversal of 357428 is 824753.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 357428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (357421) 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, 2276 + ... + 2427.

It is an arithmetic number, because the mean of its divisors is an integer number (54880).

2³⁵⁷⁴²⁸ is an apocalyptic number.

357428 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

357428 is a deficient number, since it is larger than the sum of its proper divisors (301132).

357428 is a wasteful number, since it uses less digits than its factorization.

357428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4726 (or 4724 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 357428 is about 597.8528246985. The cubic root of 357428 is about 70.9680475149.

The spelling of 357428 in words is "three hundred fifty-seven thousand, four hundred twenty-eight".