1964249 has 4 divisors (see below), whose sum is σ = 2244864. Its totient is φ = 1683636.

The previous prime is 1964243. The next prime is 1964297. The reversal of 1964249 is 9424691.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1964249 is a prime.

It is a super-3 number, since 3×1964249³ = 22735833328311990747, which contains 333 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1964243) 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, 140297 + ... + 140310.

It is an arithmetic number, because the mean of its divisors is an integer number (561216).

2^1964249 is an apocalyptic number.

It is an amenable number.

1964249 is a deficient number, since it is larger than the sum of its proper divisors (280615).

1964249 is an equidigital number, since it uses as much as digits as its factorization.

1964249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280614.

The product of its digits is 15552, while the sum is 35.

The square root of 1964249 is about 1401.5166784594. The cubic root of 1964249 is about 125.2368628843.

It can be divided in two parts, 19642 and 49, that added together give a palindrome (19691).

The spelling of 1964249 in words is "one million, nine hundred sixty-four thousand, two hundred forty-nine".