15946448 has 40 divisors (see below), whose sum is σ = 35557248. Its totient is φ = 6786432.

The previous prime is 15946439. The next prime is 15946457. The reversal of 15946448 is 84464951.

15946448 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15946439) and next prime (15946457).

15946448 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18965 + ... + 19787.

Almost surely, 2^15946448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15946448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17778624).

15946448 is an abundant number, since it is smaller than the sum of its proper divisors (19610800).

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

15946448 is a wasteful number, since it uses less digits than its factorization.

15946448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011 (or 1005 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 15946448 is about 3993.3003894022. The cubic root of 15946448 is about 251.7027653631.

The spelling of 15946448 in words is "fifteen million, nine hundred forty-six thousand, four hundred forty-eight".