349433623 has 16 divisors (see below), whose sum is σ = 461286144. Its totient is φ = 256268160.

The previous prime is 349433621. The next prime is 349433653. The reversal of 349433623 is 326334943.

It is a cyclic number.

It is not a de Polignac number, because 349433623 - 2¹ = 349433621 is a prime.

It is a super-2 number, since 2×349433623² = 244207713765812258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349433621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132165 + ... + 134782.

It is an arithmetic number, because the mean of its divisors is an integer number (28830384).

Almost surely, 2^349433623 is an apocalyptic number.

349433623 is a deficient number, since it is larger than the sum of its proper divisors (111852521).

349433623 is a wasteful number, since it uses less digits than its factorization.

349433623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266982.

The product of its digits is 139968, while the sum is 37.

The square root of 349433623 is about 18693.1437430947. The cubic root of 349433623 is about 704.3495319823.

The spelling of 349433623 in words is "three hundred forty-nine million, four hundred thirty-three thousand, six hundred twenty-three".