391481102 has 8 divisors (see below), whose sum is σ = 588822816. Its totient is φ = 195206832.

The previous prime is 391481093. The next prime is 391481119. The reversal of 391481102 is 201184193.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265943 + ... + 267410.

It is an arithmetic number, because the mean of its divisors is an integer number (73602852).

Almost surely, 2^391481102 is an apocalyptic number.

391481102 is a deficient number, since it is larger than the sum of its proper divisors (197341714).

391481102 is a wasteful number, since it uses less digits than its factorization.

391481102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533722.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 391481102 is about 19785.8813804187. The cubic root of 391481102 is about 731.5380731509.

The spelling of 391481102 in words is "three hundred ninety-one million, four hundred eighty-one thousand, one hundred two".