60899649 has 4 divisors (see below), whose sum is σ = 81199536. Its totient is φ = 40599764.

The previous prime is 60899647. The next prime is 60899687. The reversal of 60899649 is 94699806.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 60899649 - 2¹ = 60899647 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (60899647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10149939 + ... + 10149944.

It is an arithmetic number, because the mean of its divisors is an integer number (20299884).

Almost surely, 2^60899649 is an apocalyptic number.

It is an amenable number.

60899649 is a deficient number, since it is larger than the sum of its proper divisors (20299887).

60899649 is a wasteful number, since it uses less digits than its factorization.

60899649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20299886.

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 60899649 is about 7803.8227171047. The cubic root of 60899649 is about 393.4337356606.

The spelling of 60899649 in words is "sixty million, eight hundred ninety-nine thousand, six hundred forty-nine".