398578414 has 16 divisors (see below), whose sum is σ = 644525280. Its totient is φ = 183768480.

The previous prime is 398578403. The next prime is 398578423. The reversal of 398578414 is 414875893.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19372 + ... + 34240.

It is an arithmetic number, because the mean of its divisors is an integer number (40282830).

Almost surely, 2^398578414 is an apocalyptic number.

398578414 is a deficient number, since it is larger than the sum of its proper divisors (245946866).

398578414 is a wasteful number, since it uses less digits than its factorization.

398578414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15915.

The product of its digits is 967680, while the sum is 49.

The square root of 398578414 is about 19964.4287170958. The cubic root of 398578414 is about 735.9324023751.

The spelling of 398578414 in words is "three hundred ninety-eight million, five hundred seventy-eight thousand, four hundred fourteen".