16242490 has 32 divisors (see below), whose sum is σ = 32140800. Its totient is φ = 5860800.

The previous prime is 16242487. The next prime is 16242491. The reversal of 16242490 is 9424261.

It is not an unprimeable number, because it can be changed into a prime (16242491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15895 + ... + 16885.

It is an arithmetic number, because the mean of its divisors is an integer number (1004400).

Almost surely, 2^16242490 is an apocalyptic number.

16242490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16242490 is a deficient number, since it is larger than the sum of its proper divisors (15898310).

16242490 is a wasteful number, since it uses less digits than its factorization.

16242490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 16242490 is about 4030.1972656435. The cubic root of 16242490 is about 253.2508253162.

It can be divided in two parts, 1624 and 2490, that added together give a palindrome (4114).

The spelling of 16242490 in words is "sixteen million, two hundred forty-two thousand, four hundred ninety".