60090993 has 6 divisors (see below), whose sum is σ = 86798114. Its totient is φ = 40060656.

The previous prime is 60090983. The next prime is 60091001. The reversal of 60090993 is 39909006.

It can be written as a sum of positive squares in only one way, i.e., 58798224 + 1292769 = 7668^2 + 1137^2 .

It is not a de Polignac number, because 60090993 - 2¹⁸ = 59828849 is a prime.

It is a super-2 number, since 2×60090993² = 7221854879452098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60090913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3338380 + ... + 3338397.

Almost surely, 2^60090993 is an apocalyptic number.

It is an amenable number.

60090993 is a deficient number, since it is larger than the sum of its proper divisors (26707121).

60090993 is a wasteful number, since it uses less digits than its factorization.

60090993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6676783 (or 6676780 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 36.

The square root of 60090993 is about 7751.8380401038. The cubic root of 60090993 is about 391.6845672418.

Adding to 60090993 its reverse (39909006), we get a palindrome (99999999).

The spelling of 60090993 in words is "sixty million, ninety thousand, nine hundred ninety-three".