16434957 has 16 divisors (see below), whose sum is σ = 27320832. Its totient is φ = 8537520.

The previous prime is 16434889. The next prime is 16434959. The reversal of 16434957 is 75943461.

It is not a de Polignac number, because 16434957 - 2⁸ = 16434701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16434959) 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, 35343 + ... + 35804.

It is an arithmetic number, because the mean of its divisors is an integer number (1707552).

Almost surely, 2^16434957 is an apocalyptic number.

It is an amenable number.

16434957 is a deficient number, since it is larger than the sum of its proper divisors (10885875).

16434957 is a wasteful number, since it uses less digits than its factorization.

16434957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71168.

The product of its digits is 90720, while the sum is 39.

The square root of 16434957 is about 4054.0050567309. The cubic root of 16434957 is about 254.2472069879.

It can be divided in two parts, 16434 and 957, that added together give a triangular number (17391 = T₁₈₆).

The spelling of 16434957 in words is "sixteen million, four hundred thirty-four thousand, nine hundred fifty-seven".