352403620 has 12 divisors (see below), whose sum is σ = 740047644. Its totient is φ = 140961440.

The previous prime is 352403617. The next prime is 352403627. The reversal of 352403620 is 26304253.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 183819364 + 168584256 = 13558^2 + 12984^2 .

It is a super-2 number, since 2×352403620² = 248376622778208800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (352403627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8810071 + ... + 8810110.

It is an arithmetic number, because the mean of its divisors is an integer number (61670637).

Almost surely, 2^352403620 is an apocalyptic number.

It is an amenable number.

352403620 is an abundant number, since it is smaller than the sum of its proper divisors (387644024).

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

352403620 is a wasteful number, since it uses less digits than its factorization.

352403620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17620190 (or 17620188 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 352403620 is about 18772.4164667205. The cubic root of 352403620 is about 706.3394350415.

Adding to 352403620 its reverse (26304253), we get a palindrome (378707873).

The spelling of 352403620 in words is "three hundred fifty-two million, four hundred three thousand, six hundred twenty".