352623861 has 14 divisors (see below), whose sum is σ = 528695030. Its totient is φ = 235082088.

The previous prime is 352623857. The next prime is 352623863. The reversal of 352623861 is 168326253.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 335109636 + 17514225 = 18306^2 + 4185^2 .

It is not a de Polignac number, because 352623861 - 2² = 352623857 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352623863) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 241126 + ... + 242583.

Almost surely, 2^352623861 is an apocalyptic number.

It is an amenable number.

352623861 is a deficient number, since it is larger than the sum of its proper divisors (176071169).

352623861 is an frugal number, since it uses more digits than its factorization.

352623861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483727 (or 483712 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 352623861 is about 18778.2816306498. The cubic root of 352623861 is about 706.4865509225.

The spelling of 352623861 in words is "three hundred fifty-two million, six hundred twenty-three thousand, eight hundred sixty-one".