355605420 has 48 divisors (see below), whose sum is σ = 1002986208. Its totient is φ = 94133760.

The previous prime is 355605401. The next prime is 355605427. The reversal of 355605420 is 24506553.

355605420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (355605427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13411 + ... + 29850.

It is an arithmetic number, because the mean of its divisors is an integer number (20895546).

Almost surely, 2^355605420 is an apocalyptic number.

355605420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

355605420 is an abundant number, since it is smaller than the sum of its proper divisors (647380788).

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

355605420 is a wasteful number, since it uses less digits than its factorization.

355605420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43410 (or 43408 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 355605420 is about 18857.5030160411. The cubic root of 355605420 is about 708.4721626232.

The spelling of 355605420 in words is "three hundred fifty-five million, six hundred five thousand, four hundred twenty".