357449985 has 12 divisors (see below), whose sum is σ = 619580052. Its totient is φ = 190639968.

The previous prime is 357449977. The next prime is 357450001. The reversal of 357449985 is 589944753.

357449985 is a `hidden beast` number, since 3 + 5 + 74 + 499 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 281132289 + 76317696 = 16767^2 + 8736^2 .

It is not a de Polignac number, because 357449985 - 2³ = 357449977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3971622 + ... + 3971711.

It is an arithmetic number, because the mean of its divisors is an integer number (51631671).

Almost surely, 2^357449985 is an apocalyptic number.

It is an amenable number.

357449985 is a deficient number, since it is larger than the sum of its proper divisors (262130067).

357449985 is a wasteful number, since it uses less digits than its factorization.

357449985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7943344 (or 7943341 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The square root of 357449985 is about 18906.3477435490. The cubic root of 357449985 is about 709.6950254038.

The spelling of 357449985 in words is "three hundred fifty-seven million, four hundred forty-nine thousand, nine hundred eighty-five".