16949835 has 36 divisors (see below), whose sum is σ = 34180848. Its totient is φ = 7747488.

The previous prime is 16949831. The next prime is 16949837. The reversal of 16949835 is 53894961.

It is a happy number.

It is not a de Polignac number, because 16949835 - 2² = 16949831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (16949831) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1639 + ... + 6048.

It is an arithmetic number, because the mean of its divisors is an integer number (949468).

Almost surely, 2^16949835 is an apocalyptic number.

16949835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16949835 is an abundant number, since it is smaller than the sum of its proper divisors (17231013).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16949835 is a wasteful number, since it uses less digits than its factorization.

16949835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7712 (or 7702 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 16949835 is about 4117.0177313196. The cubic root of 16949835 is about 256.8749915641.

The spelling of 16949835 in words is "sixteen million, nine hundred forty-nine thousand, eight hundred thirty-five".