391463941 has 8 divisors (see below), whose sum is σ = 437467968. Its totient is φ = 347196000.

The previous prime is 391463927. The next prime is 391463951. The reversal of 391463941 is 149364193.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-391463941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 391463894 and 391463903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (391463951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433545 + ... + 434446.

It is an arithmetic number, because the mean of its divisors is an integer number (54683496).

Almost surely, 2^391463941 is an apocalyptic number.

It is an amenable number.

391463941 is a deficient number, since it is larger than the sum of its proper divisors (46004027).

391463941 is a wasteful number, since it uses less digits than its factorization.

391463941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868043.

The product of its digits is 69984, while the sum is 40.

The square root of 391463941 is about 19785.4477078483. The cubic root of 391463941 is about 731.5273837389.

The spelling of 391463941 in words is "three hundred ninety-one million, four hundred sixty-three thousand, nine hundred forty-one".