355087961 has 8 divisors (see below), whose sum is σ = 378411264. Its totient is φ = 332421760.

The previous prime is 355087951. The next prime is 355087963. The reversal of 355087961 is 169780553.

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

It is not a de Polignac number, because 355087961 - 2⁶ = 355087897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355087963) 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, 163160 + ... + 165321.

It is an arithmetic number, because the mean of its divisors is an integer number (47301408).

Almost surely, 2^355087961 is an apocalyptic number.

It is an amenable number.

355087961 is a deficient number, since it is larger than the sum of its proper divisors (23323303).

355087961 is a wasteful number, since it uses less digits than its factorization.

355087961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328551.

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 355087961 is about 18843.7777794157. Note that the first 5 decimals coincide. The cubic root of 355087961 is about 708.1283515319.

The spelling of 355087961 in words is "three hundred fifty-five million, eighty-seven thousand, nine hundred sixty-one".