355972449 has 32 divisors (see below), whose sum is σ = 581345280. Its totient is φ = 189300672.

The previous prime is 355972387. The next prime is 355972451. The reversal of 355972449 is 944279553.

It is not a de Polignac number, because 355972449 - 2¹⁷ = 355841377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 355972398 and 355972407.

It is not an unprimeable number, because it can be changed into a prime (355972459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7912 + ... + 27830.

It is an arithmetic number, because the mean of its divisors is an integer number (18167040).

Almost surely, 2^355972449 is an apocalyptic number.

It is an amenable number.

355972449 is a deficient number, since it is larger than the sum of its proper divisors (225372831).

355972449 is a wasteful number, since it uses less digits than its factorization.

355972449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19989.

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

The square root of 355972449 is about 18867.2321499472. The cubic root of 355972449 is about 708.7158225947.

The spelling of 355972449 in words is "three hundred fifty-five million, nine hundred seventy-two thousand, four hundred forty-nine".