355243420 has 48 divisors (see below), whose sum is σ = 853655040. Its totient is φ = 121644864.

The previous prime is 355243397. The next prime is 355243463. The reversal of 355243420 is 24342553.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220257 + ... + 221863.

It is an arithmetic number, because the mean of its divisors is an integer number (17784480).

Almost surely, 2^355243420 is an apocalyptic number.

It is an amenable number.

355243420 is an abundant number, since it is smaller than the sum of its proper divisors (498411620).

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

355243420 is a wasteful number, since it uses less digits than its factorization.

355243420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202 (or 3200 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 355243420 is about 18847.9022705446. The cubic root of 355243420 is about 708.2316769763.

Adding to 355243420 its reverse (24342553), we get a palindrome (379585973).

The spelling of 355243420 in words is "three hundred fifty-five million, two hundred forty-three thousand, four hundred twenty".