2153896 has 8 divisors (see below), whose sum is σ = 4038570. Its totient is φ = 1076944.

The previous prime is 2153891. The next prime is 2153903. The reversal of 2153896 is 6983512.

It can be written as a sum of positive squares in only one way, i.e., 1368900 + 784996 = 1170^2 + 886^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2153891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134611 + ... + 134626.

2^2153896 is an apocalyptic number.

It is an amenable number.

2153896 is a deficient number, since it is larger than the sum of its proper divisors (1884674).

2153896 is a wasteful number, since it uses less digits than its factorization.

2153896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269243 (or 269239 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 2153896 is about 1467.6157535268. The cubic root of 2153896 is about 129.1442010645.

The spelling of 2153896 in words is "two million, one hundred fifty-three thousand, eight hundred ninety-six".