352000405 has 8 divisors (see below), whose sum is σ = 436966200. Its totient is φ = 271889856.

The previous prime is 352000393. The next prime is 352000409. The reversal of 352000405 is 504000253.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 152004241 + 199996164 = 12329^2 + 14142^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 352000405 - 2¹³ = 351992213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352000409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1213650 + ... + 1213939.

It is an arithmetic number, because the mean of its divisors is an integer number (54620775).

Almost surely, 2^352000405 is an apocalyptic number.

It is an amenable number.

352000405 is a deficient number, since it is larger than the sum of its proper divisors (84965795).

352000405 is a wasteful number, since it uses less digits than its factorization.

352000405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427623.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 352000405 is about 18761.6738325769. The cubic root of 352000405 is about 706.0699378589.

Adding to 352000405 its reverse (504000253), we get a palindrome (856000658).

The spelling of 352000405 in words is "three hundred fifty-two million, four hundred five", and thus it is an aban number.