352505990 has 8 divisors (see below), whose sum is σ = 634510800. Its totient is φ = 141002392.

The previous prime is 352505963. The next prime is 352506017. The reversal of 352505990 is 99505253.

It is an interprime number because it is at equal distance from previous prime (352505963) and next prime (352506017).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17625290 + ... + 17625309.

It is an arithmetic number, because the mean of its divisors is an integer number (79313850).

Almost surely, 2^352505990 is an apocalyptic number.

352505990 is a deficient number, since it is larger than the sum of its proper divisors (282004810).

352505990 is a wasteful number, since it uses less digits than its factorization.

352505990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35250606.

The product of its (nonzero) digits is 60750, while the sum is 38.

The square root of 352505990 is about 18775.1428756215. The cubic root of 352505990 is about 706.4078234494.

The spelling of 352505990 in words is "three hundred fifty-two million, five hundred five thousand, nine hundred ninety".