398580414 has 16 divisors (see below), whose sum is σ = 797850000. Its totient is φ = 132745280.

The previous prime is 398580401. The next prime is 398580421. The reversal of 398580414 is 414085893.

It is a super-2 number, since 2×398580414² = 317732692848822792, which contains 22 as substring.

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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21039 + ... + 35210.

It is an arithmetic number, because the mean of its divisors is an integer number (49865625).

Almost surely, 2^398580414 is an apocalyptic number.

398580414 is an abundant number, since it is smaller than the sum of its proper divisors (399269586).

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

398580414 is a wasteful number, since it uses less digits than its factorization.

398580414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57435.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 398580414 is about 19964.4788061196. The cubic root of 398580414 is about 735.9336333017.

The spelling of 398580414 in words is "three hundred ninety-eight million, five hundred eighty thousand, four hundred fourteen".