961449 has 4 divisors (see below), whose sum is σ = 1281936. Its totient is φ = 640964.

The previous prime is 961447. The next prime is 961451. The reversal of 961449 is 944169.

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, and also an emirpimes, since its reverse is a distinct semiprime: 944169 = 3 ⋅314723.

It is an interprime number because it is at equal distance from previous prime (961447) and next prime (961451).

It is a cyclic number.

It is not a de Polignac number, because 961449 - 2¹ = 961447 is a prime.

It is a super-4 number, since 4×961449⁴ (a number of 25 digits) contains 4444 as substring.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 961449.

It is not an unprimeable number, because it can be changed into a prime (961447) 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, 160239 + ... + 160244.

It is an arithmetic number, because the mean of its divisors is an integer number (320484).

2⁹⁶¹⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

961449 is a deficient number, since it is larger than the sum of its proper divisors (320487).

961449 is a wasteful number, since it uses less digits than its factorization.

961449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320486.

The product of its digits is 7776, while the sum is 33.

The square root of 961449 is about 980.5350580168. The cubic root of 961449 is about 98.6980905408.

The spelling of 961449 in words is "nine hundred sixty-one thousand, four hundred forty-nine".