16949698 has 4 divisors (see below), whose sum is σ = 25424550. Its totient is φ = 8474848.

The previous prime is 16949633. The next prime is 16949707. The reversal of 16949698 is 89694961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89694961 = 1493 ⋅60077.

It can be written as a sum of positive squares in only one way, i.e., 16949689 + 9 = 4117^2 + 3^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4237423 + ... + 4237426.

Almost surely, 2^16949698 is an apocalyptic number.

16949698 is a deficient number, since it is larger than the sum of its proper divisors (8474852).

16949698 is an equidigital number, since it uses as much as digits as its factorization.

16949698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8474851.

The product of its digits is 839808, while the sum is 52.

The square root of 16949698 is about 4117.0010930288. The cubic root of 16949698 is about 256.8742994833.

The spelling of 16949698 in words is "sixteen million, nine hundred forty-nine thousand, six hundred ninety-eight".