1971652 has 24 divisors (see below), whose sum is σ = 3729600. Its totient is φ = 909216.

The previous prime is 1971647. The next prime is 1971659. The reversal of 1971652 is 2561791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1971659) 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, 2299 + ... + 3037.

It is an arithmetic number, because the mean of its divisors is an integer number (155400).

2^1971652 is an apocalyptic number.

It is an amenable number.

1971652 is a deficient number, since it is larger than the sum of its proper divisors (1757948).

1971652 is a wasteful number, since it uses less digits than its factorization.

1971652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 793 counting only the distinct ones).

The product of its digits is 3780, while the sum is 31.

The square root of 1971652 is about 1404.1552620704. The cubic root of 1971652 is about 125.3939994772.

It can be divided in two parts, 197 and 1652, that added together give a square (1849 = 43²).

The spelling of 1971652 in words is "one million, nine hundred seventy-one thousand, six hundred fifty-two".