1331952 has 20 divisors (see below), whose sum is σ = 3441000. Its totient is φ = 443968.

The previous prime is 1331951. The next prime is 1331959. The reversal of 1331952 is 2591331.

It is a happy number.

It is a super-2 number, since 2×1331952² = 3548192260608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13827 + ... + 13922.

It is an arithmetic number, because the mean of its divisors is an integer number (172050).

2^1331952 is an apocalyptic number.

1331952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1331952 is an abundant number, since it is smaller than the sum of its proper divisors (2109048).

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

1331952 is a wasteful number, since it uses less digits than its factorization.

1331952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27760 (or 27754 counting only the distinct ones).

The product of its digits is 810, while the sum is 24.

The square root of 1331952 is about 1154.1022485031. The cubic root of 1331952 is about 110.0262196451.

The spelling of 1331952 in words is "one million, three hundred thirty-one thousand, nine hundred fifty-two".