961998003 has 12 divisors (see below), whose sum is σ = 1390042680. Its totient is φ = 641105856.

The previous prime is 961997969. The next prime is 961998007. The reversal of 961998003 is 300899169.

It is not a de Polignac number, because 961998003 - 2¹³ = 961989811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 961998003.

It is not an unprimeable number, because it can be changed into a prime (961998007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10500 + ... + 45102.

It is an arithmetic number, because the mean of its divisors is an integer number (115836890).

Almost surely, 2^961998003 is an apocalyptic number.

961998003 is a deficient number, since it is larger than the sum of its proper divisors (428044677).

961998003 is a wasteful number, since it uses less digits than its factorization.

961998003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37698 (or 37695 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 961998003 is about 31016.0926455929. The cubic root of 961998003 is about 987.1687303728.

The spelling of 961998003 in words is "nine hundred sixty-one million, nine hundred ninety-eight thousand, three".