354246663 has 24 divisors (see below), whose sum is σ = 505739520. Its totient is φ = 220504960.

The previous prime is 354246637. The next prime is 354246677. The reversal of 354246663 is 366642453.

It is not a de Polignac number, because 354246663 - 2¹⁶ = 354181127 is a prime.

It is a super-3 number, since 3×354246663³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354246163) 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, 112018 + ... + 115136.

It is an arithmetic number, because the mean of its divisors is an integer number (21072480).

Almost surely, 2^354246663 is an apocalyptic number.

354246663 is a deficient number, since it is larger than the sum of its proper divisors (151492857).

354246663 is a wasteful number, since it uses less digits than its factorization.

354246663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287 (or 3270 counting only the distinct ones).

The product of its digits is 311040, while the sum is 39.

The square root of 354246663 is about 18821.4415760324. The cubic root of 354246663 is about 707.5686610269.

It can be divided in two parts, 3542 and 46663, that added together give a palindrome (50205).

The spelling of 354246663 in words is "three hundred fifty-four million, two hundred forty-six thousand, six hundred sixty-three".