357020946 has 48 divisors (see below), whose sum is σ = 805101024. Its totient is φ = 118576224.

The previous prime is 357020929. The next prime is 357020947. The reversal of 357020946 is 649020753.

It is a self number, because there is not a number n which added to its sum of digits gives 357020946.

It is not an unprimeable number, because it can be changed into a prime (357020947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150945 + ... + 153291.

It is an arithmetic number, because the mean of its divisors is an integer number (16772938).

Almost surely, 2^357020946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 357020946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402550512).

357020946 is an abundant number, since it is smaller than the sum of its proper divisors (448080078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

357020946 is a wasteful number, since it uses less digits than its factorization.

357020946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2677 (or 2665 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 357020946 is about 18894.9979094998. The cubic root of 357020946 is about 709.4109681828.

The spelling of 357020946 in words is "three hundred fifty-seven million, twenty thousand, nine hundred forty-six".