1921952 has 24 divisors (see below), whose sum is σ = 4007556. Its totient is φ = 904192.

The previous prime is 1921937. The next prime is 1921967. The reversal of 1921952 is 2591291.

It is an interprime number because it is at equal distance from previous prime (1921937) and next prime (1921967).

It can be written as a sum of positive squares in 2 ways, for example, as 1731856 + 190096 = 1316^2 + 436^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1223 + ... + 2310.

2^1921952 is an apocalyptic number.

It is an amenable number.

1921952 is an abundant number, since it is smaller than the sum of its proper divisors (2085604).

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

1921952 is a wasteful number, since it uses less digits than its factorization.

1921952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3560 (or 3552 counting only the distinct ones).

The product of its digits is 1620, while the sum is 29.

The square root of 1921952 is about 1386.3448344478. The cubic root of 1921952 is about 124.3314062350.

The spelling of 1921952 in words is "one million, nine hundred twenty-one thousand, nine hundred fifty-two".