16240994 has 32 divisors (see below), whose sum is σ = 30606336. Its totient is φ = 6279120.

The previous prime is 16240979. The next prime is 16240997. The reversal of 16240994 is 49904261.

It is a super-2 number, since 2×16240994² = 527539772216072, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16240997) 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, 24779 + ... + 25425.

It is an arithmetic number, because the mean of its divisors is an integer number (956448).

Almost surely, 2^16240994 is an apocalyptic number.

16240994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16240994 is a deficient number, since it is larger than the sum of its proper divisors (14365342).

16240994 is a wasteful number, since it uses less digits than its factorization.

16240994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 16240994 is about 4030.0116625141. The cubic root of 16240994 is about 253.2430499306.

The spelling of 16240994 in words is "sixteen million, two hundred forty thousand, nine hundred ninety-four".