16277434 has 4 divisors (see below), whose sum is σ = 24416154. Its totient is φ = 8138716.

The previous prime is 16277431. The next prime is 16277453. The reversal of 16277434 is 43477261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43477261 = 41 ⋅1060421.

It can be written as a sum of positive squares in only one way, i.e., 13727025 + 2550409 = 3705^2 + 1597^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16277434.

It is not an unprimeable number, because it can be changed into a prime (16277431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4069357 + ... + 4069360.

Almost surely, 2^16277434 is an apocalyptic number.

16277434 is a deficient number, since it is larger than the sum of its proper divisors (8138720).

16277434 is an equidigital number, since it uses as much as digits as its factorization.

16277434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8138719.

The product of its digits is 28224, while the sum is 34.

The square root of 16277434 is about 4034.5302080911. The cubic root of 16277434 is about 253.4323093557.

The spelling of 16277434 in words is "sixteen million, two hundred seventy-seven thousand, four hundred thirty-four".