355988949 has 32 divisors (see below), whose sum is σ = 503193600. Its totient is φ = 223527360.

The previous prime is 355988929. The next prime is 355988977. The reversal of 355988949 is 949889553.

It is a happy number.

It is not a de Polignac number, because 355988949 - 2²⁵ = 322434517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 355988892 and 355988901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355988929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1144504 + ... + 1144814.

It is an arithmetic number, because the mean of its divisors is an integer number (15724800).

Almost surely, 2^355988949 is an apocalyptic number.

It is an amenable number.

355988949 is a deficient number, since it is larger than the sum of its proper divisors (147204651).

355988949 is a wasteful number, since it uses less digits than its factorization.

355988949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625.

The product of its digits is 13996800, while the sum is 60.

The square root of 355988949 is about 18867.6694109262. The cubic root of 355988949 is about 708.7267725343.

The spelling of 355988949 in words is "three hundred fifty-five million, nine hundred eighty-eight thousand, nine hundred forty-nine".