14961990 has 16 divisors (see below), whose sum is σ = 35908848. Its totient is φ = 3989856.

The previous prime is 14961931. The next prime is 14962001. The reversal of 14961990 is 9916941.

It is a super-2 number, since 2×14961990² = 447722289520200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249337 + ... + 249396.

It is an arithmetic number, because the mean of its divisors is an integer number (2244303).

Almost surely, 2^14961990 is an apocalyptic number.

14961990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14961990 is an abundant number, since it is smaller than the sum of its proper divisors (20946858).

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

14961990 is a wasteful number, since it uses less digits than its factorization.

14961990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498743.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 14961990 is about 3868.0731637341. The cubic root of 14961990 is about 246.4127185169.

It can be divided in two parts, 14961 and 990, that added together give a palindrome (15951).

The spelling of 14961990 in words is "fourteen million, nine hundred sixty-one thousand, nine hundred ninety".