16349402 has 4 divisors (see below), whose sum is σ = 24524106. Its totient is φ = 8174700.

The previous prime is 16349401. The next prime is 16349419. The reversal of 16349402 is 20494361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15832441 + 516961 = 3979^2 + 719^2 .

It is not an unprimeable number, because it can be changed into a prime (16349401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4087349 + ... + 4087352.

Almost surely, 2^16349402 is an apocalyptic number.

16349402 is a deficient number, since it is larger than the sum of its proper divisors (8174704).

16349402 is an equidigital number, since it uses as much as digits as its factorization.

16349402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8174703.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 16349402 is about 4043.4393775597. The cubic root of 16349402 is about 253.8052633483.

The spelling of 16349402 in words is "sixteen million, three hundred forty-nine thousand, four hundred two".