2148965 has 16 divisors (see below), whose sum is σ = 3174528. Its totient is φ = 1359936.

The previous prime is 2148947. The next prime is 2148983. The reversal of 2148965 is 5698412.

It is an interprime number because it is at equal distance from previous prime (2148947) and next prime (2148983).

It is a cyclic number.

It is not a de Polignac number, because 2148965 - 2⁸ = 2148709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1907 + ... + 2816.

It is an arithmetic number, because the mean of its divisors is an integer number (198408).

2^2148965 is an apocalyptic number.

It is an amenable number.

2148965 is a deficient number, since it is larger than the sum of its proper divisors (1025563).

2148965 is a wasteful number, since it uses less digits than its factorization.

2148965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4748.

The product of its digits is 17280, while the sum is 35.

The square root of 2148965 is about 1465.9348553057. The cubic root of 2148965 is about 129.0455741063.

It can be divided in two parts, 2148 and 965, that added together give a palindrome (3113).

The spelling of 2148965 in words is "two million, one hundred forty-eight thousand, nine hundred sixty-five".