355942749 has 8 divisors (see below), whose sum is σ = 474684832. Its totient is φ = 237247920.

The previous prime is 355942739. The next prime is 355942799. The reversal of 355942749 is 947249553.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 355942749 - 2¹¹ = 355940701 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 355942698 and 355942707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355942729) 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, 13539 + ... + 29919.

It is an arithmetic number, because the mean of its divisors is an integer number (59335604).

Almost surely, 2^355942749 is an apocalyptic number.

It is an amenable number.

355942749 is a deficient number, since it is larger than the sum of its proper divisors (118742083).

355942749 is a wasteful number, since it uses less digits than its factorization.

355942749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23627.

The product of its digits is 1360800, while the sum is 48.

The square root of 355942749 is about 18866.4450546466. The cubic root of 355942749 is about 708.6961118508.

The spelling of 355942749 in words is "three hundred fifty-five million, nine hundred forty-two thousand, seven hundred forty-nine".