16374429 has 6 divisors (see below), whose sum is σ = 23651966. Its totient is φ = 10916280.

The previous prime is 16374427. The next prime is 16374431. The reversal of 16374429 is 92447361.

16374429 is a `hidden beast` number, since 163 + 74 + 429 = 666.

It is an interprime number because it is at equal distance from previous prime (16374427) and next prime (16374431).

It can be written as a sum of positive squares in only one way, i.e., 12089529 + 4284900 = 3477^2 + 2070^2 .

It is not a de Polignac number, because 16374429 - 2¹ = 16374427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16374393 and 16374402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16374427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 909682 + ... + 909699.

Almost surely, 2^16374429 is an apocalyptic number.

It is an amenable number.

16374429 is a deficient number, since it is larger than the sum of its proper divisors (7277537).

16374429 is a wasteful number, since it uses less digits than its factorization.

16374429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819387 (or 1819384 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 16374429 is about 4046.5329604490. The cubic root of 16374429 is about 253.9347022509.

The spelling of 16374429 in words is "sixteen million, three hundred seventy-four thousand, four hundred twenty-nine".