58399994 has 4 divisors (see below), whose sum is σ = 87599994. Its totient is φ = 29199996.

The previous prime is 58399973. The next prime is 58400021. The reversal of 58399994 is 49999385.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49999385 = 5 ⋅9999877.

It can be written as a sum of positive squares in only one way, i.e., 57957769 + 442225 = 7613^2 + 665^2 .

It is a Curzon 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 as a sum of consecutive naturals, namely, 14599997 + ... + 14600000.

Almost surely, 2^58399994 is an apocalyptic number.

58399994 is a deficient number, since it is larger than the sum of its proper divisors (29200000).

58399994 is a wasteful number, since it uses less digits than its factorization.

58399994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29199999.

The product of its digits is 3149280, while the sum is 56.

The square root of 58399994 is about 7641.9888772492. The cubic root of 58399994 is about 387.9754696292.

The spelling of 58399994 in words is "fifty-eight million, three hundred ninety-nine thousand, nine hundred ninety-four".