391414398 has 16 divisors (see below), whose sum is σ = 784429056. Its totient is φ = 130204760.

The previous prime is 391414351. The next prime is 391414399. The reversal of 391414398 is 893414193.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (391414399) 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, 63486 + ... + 69377.

It is an arithmetic number, because the mean of its divisors is an integer number (49026816).

Almost surely, 2^391414398 is an apocalyptic number.

391414398 is an abundant number, since it is smaller than the sum of its proper divisors (393014658).

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

391414398 is a wasteful number, since it uses less digits than its factorization.

391414398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133359.

The product of its digits is 93312, while the sum is 42.

The square root of 391414398 is about 19784.1956621946. The cubic root of 391414398 is about 731.4965221564.

The spelling of 391414398 in words is "three hundred ninety-one million, four hundred fourteen thousand, three hundred ninety-eight".