967991098 has 4 divisors (see below), whose sum is σ = 1451986650. Its totient is φ = 483995548.

The previous prime is 967991071. The next prime is 967991107. The reversal of 967991098 is 890199769.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 890199769 = 127 ⋅7009447.

It can be written as a sum of positive squares in only one way, i.e., 965779929 + 2211169 = 31077^2 + 1487^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 241997773 + ... + 241997776.

Almost surely, 2^967991098 is an apocalyptic number.

967991098 is a deficient number, since it is larger than the sum of its proper divisors (483995552).

967991098 is a wasteful number, since it uses less digits than its factorization.

967991098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483995551.

The product of its (nonzero) digits is 2204496, while the sum is 58.

The square root of 967991098 is about 31112.5553113209. Note that the first 3 decimals coincide. The cubic root of 967991098 is about 989.2144562664.

The spelling of 967991098 in words is "nine hundred sixty-seven million, nine hundred ninety-one thousand, ninety-eight".