991461300 has 36 divisors (see below), whose sum is σ = 2868628896. Its totient is φ = 264389600.

The previous prime is 991461293. The next prime is 991461307. The reversal of 991461300 is 3164199.

It is an interprime number because it is at equal distance from previous prime (991461293) and next prime (991461307).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (991461307) 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, 1652136 + ... + 1652735.

It is an arithmetic number, because the mean of its divisors is an integer number (79684136).

Almost surely, 2^991461300 is an apocalyptic number.

It is an amenable number.

991461300 is an abundant number, since it is smaller than the sum of its proper divisors (1877167596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

991461300 is a wasteful number, since it uses less digits than its factorization.

991461300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304888 (or 3304881 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 991461300 is about 31487.4784636687. The cubic root of 991461300 is about 997.1456269732.

The spelling of 991461300 in words is "nine hundred ninety-one million, four hundred sixty-one thousand, three hundred".