963340921 has 8 divisors (see below), whose sum is σ = 1026268704. Its totient is φ = 901108800.

The previous prime is 963340897. The next prime is 963340927. The reversal of 963340921 is 129043369.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 963340921 - 2⁹ = 963340409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (963340927) 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, 171055 + ... + 176596.

It is an arithmetic number, because the mean of its divisors is an integer number (128283588).

Almost surely, 2^963340921 is an apocalyptic number.

It is an amenable number.

963340921 is a deficient number, since it is larger than the sum of its proper divisors (62927783).

963340921 is a wasteful number, since it uses less digits than its factorization.

963340921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347831.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 963340921 is about 31037.7338251361. The cubic root of 963340921 is about 987.6278686313.

The spelling of 963340921 in words is "nine hundred sixty-three million, three hundred forty thousand, nine hundred twenty-one".