3961152 has 126 divisors (see below), whose sum is σ = 12782042. Its totient is φ = 1165824.

The previous prime is 3961147. The next prime is 3961159. The reversal of 3961152 is 2511693.

It can be written as a sum of positive squares in only one way, i.e., 2742336 + 1218816 = 1656^2 + 1104^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3961159) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 172213 + ... + 172235.

Almost surely, 2^3961152 is an apocalyptic number.

3961152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3961152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6391021).

3961152 is an abundant number, since it is smaller than the sum of its proper divisors (8820890).

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

3961152 is a wasteful number, since it uses less digits than its factorization.

3961152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 41 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 3961152 is about 1990.2643040561. The cubic root of 3961152 is about 158.2245378799.

The spelling of 3961152 in words is "three million, nine hundred sixty-one thousand, one hundred fifty-two".