355396473 has 6 divisors (see below), whose sum is σ = 513350474. Its totient is φ = 236930976.

The previous prime is 355396427. The next prime is 355396499. The reversal of 355396473 is 374693553.

355396473 is a `hidden beast` number, since 3 + 553 + 96 + 4 + 7 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 339738624 + 15657849 = 18432^2 + 3957^2 .

It is not a de Polignac number, because 355396473 - 2⁶ = 355396409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (355396403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19744240 + ... + 19744257.

Almost surely, 2^355396473 is an apocalyptic number.

It is an amenable number.

355396473 is a deficient number, since it is larger than the sum of its proper divisors (157954001).

355396473 is a wasteful number, since it uses less digits than its factorization.

355396473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39488503 (or 39488500 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 45.

The square root of 355396473 is about 18851.9620464290. The cubic root of 355396473 is about 708.3333738347. Note that the first 4 decimals are identical.

The spelling of 355396473 in words is "three hundred fifty-five million, three hundred ninety-six thousand, four hundred seventy-three".