16893690 has 32 divisors (see below), whose sum is σ = 44231616. Its totient is φ = 4095360.

The previous prime is 16893683. The next prime is 16893691. The reversal of 16893690 is 9639861.

It is a super-2 number, since 2×16893690² = 570793523632200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16893691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25267 + ... + 25926.

It is an arithmetic number, because the mean of its divisors is an integer number (1382238).

Almost surely, 2^16893690 is an apocalyptic number.

16893690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16893690 is an abundant number, since it is smaller than the sum of its proper divisors (27337926).

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

16893690 is a wasteful number, since it uses less digits than its factorization.

16893690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51214.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 16893690 is about 4110.1934261054. The cubic root of 16893690 is about 256.5910517311.

The spelling of 16893690 in words is "sixteen million, eight hundred ninety-three thousand, six hundred ninety".