391672962 has 64 divisors (see below), whose sum is σ = 925084800. Its totient is φ = 122411520.

The previous prime is 391672937. The next prime is 391672987. The reversal of 391672962 is 269276193.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (391672937) and next prime (391672987).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303214 + ... + 304502.

It is an arithmetic number, because the mean of its divisors is an integer number (14454450).

Almost surely, 2^391672962 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 391672962, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462542400).

391672962 is an abundant number, since it is smaller than the sum of its proper divisors (533411838).

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

391672962 is a wasteful number, since it uses less digits than its factorization.

391672962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648 (or 1642 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 391672962 is about 19790.7291932359. The cubic root of 391672962 is about 731.6575595252.

The spelling of 391672962 in words is "three hundred ninety-one million, six hundred seventy-two thousand, nine hundred sixty-two".