357977394 has 48 divisors (see below), whose sum is σ = 806682240. Its totient is φ = 118979280.

The previous prime is 357977393. The next prime is 357977401. The reversal of 357977394 is 493779753.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 357977394.

It is not an unprimeable number, because it can be changed into a prime (357977393) 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, 208612 + ... + 210320.

It is an arithmetic number, because the mean of its divisors is an integer number (16805880).

Almost surely, 2^357977394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 357977394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403341120).

357977394 is an abundant number, since it is smaller than the sum of its proper divisors (448704846).

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

357977394 is a wasteful number, since it uses less digits than its factorization.

357977394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157 (or 2145 counting only the distinct ones).

The product of its digits is 5000940, while the sum is 54.

The square root of 357977394 is about 18920.2905368813. The cubic root of 357977394 is about 710.0438999504.

The spelling of 357977394 in words is "three hundred fifty-seven million, nine hundred seventy-seven thousand, three hundred ninety-four".