16435442 has 4 divisors (see below), whose sum is σ = 24653166. Its totient is φ = 8217720.

The previous prime is 16435387. The next prime is 16435469. The reversal of 16435442 is 24453461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24453461 = 1907 ⋅12823.

It can be written as a sum of positive squares in only one way, i.e., 9247681 + 7187761 = 3041^2 + 2681^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4108859 + ... + 4108862.

Almost surely, 2^16435442 is an apocalyptic number.

16435442 is a deficient number, since it is larger than the sum of its proper divisors (8217724).

16435442 is an equidigital number, since it uses as much as digits as its factorization.

16435442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8217723.

The product of its digits is 11520, while the sum is 29.

The square root of 16435442 is about 4054.0648736793. The cubic root of 16435442 is about 254.2497079311.

The spelling of 16435442 in words is "sixteen million, four hundred thirty-five thousand, four hundred forty-two".