355494939 has 16 divisors (see below), whose sum is σ = 504102528. Its totient is φ = 222065792.

The previous prime is 355494913. The next prime is 355494947. The reversal of 355494939 is 939494553.

It is a cyclic number.

It is not a de Polignac number, because 355494939 - 2⁸ = 355494683 is a prime.

It is a super-2 number, since 2×355494939² = 252753303309227442, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 355494891 and 355494900.

It is not an unprimeable number, because it can be changed into a prime (355494239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3777 + ... + 26930.

It is an arithmetic number, because the mean of its divisors is an integer number (31506408).

Almost surely, 2^355494939 is an apocalyptic number.

355494939 is a deficient number, since it is larger than the sum of its proper divisors (148607589).

355494939 is a wasteful number, since it uses less digits than its factorization.

355494939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30954.

The product of its digits is 2624400, while the sum is 51.

The square root of 355494939 is about 18854.5734239733. The cubic root of 355494939 is about 708.3987846448.

The spelling of 355494939 in words is "three hundred fifty-five million, four hundred ninety-four thousand, nine hundred thirty-nine".