15953982 has 16 divisors (see below), whose sum is σ = 34808832. Its totient is φ = 4834520.

The previous prime is 15953981. The next prime is 15953983. The reversal of 15953982 is 28935951.

It is an interprime number because it is at equal distance from previous prime (15953981) and next prime (15953983).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15953981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120798 + ... + 120929.

It is an arithmetic number, because the mean of its divisors is an integer number (2175552).

Almost surely, 2^15953982 is an apocalyptic number.

15953982 is an abundant number, since it is smaller than the sum of its proper divisors (18854850).

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

15953982 is a wasteful number, since it uses less digits than its factorization.

15953982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241743.

The product of its digits is 97200, while the sum is 42.

The square root of 15953982 is about 3994.2436079939. The cubic root of 15953982 is about 251.7423986421.

The spelling of 15953982 in words is "fifteen million, nine hundred fifty-three thousand, nine hundred eighty-two".