60399994 has 4 divisors (see below), whose sum is σ = 90599994. Its totient is φ = 30199996.

The previous prime is 60399991. The next prime is 60400007. The reversal of 60399994 is 49999306.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 54567769 + 5832225 = 7387^2 + 2415^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (60399991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15099997 + ... + 15100000.

Almost surely, 2^60399994 is an apocalyptic number.

60399994 is a deficient number, since it is larger than the sum of its proper divisors (30200000).

60399994 is a wasteful number, since it uses less digits than its factorization.

60399994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30199999.

The product of its (nonzero) digits is 472392, while the sum is 49.

The square root of 60399994 is about 7771.7433050764. The cubic root of 60399994 is about 392.3547955725.

The spelling of 60399994 in words is "sixty million, three hundred ninety-nine thousand, nine hundred ninety-four".