60399149 has 4 divisors (see below), whose sum is σ = 60432636. Its totient is φ = 60365664.

The previous prime is 60399139. The next prime is 60399151. The reversal of 60399149 is 94199306.

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

It can be written as a sum of positive squares in 2 ways, for example, as 40729924 + 19669225 = 6382^2 + 4435^2 .

It is a cyclic number.

It is not a de Polignac number, because 60399149 - 2²⁰ = 59350573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60399139) 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, 13874 + ... + 17699.

It is an arithmetic number, because the mean of its divisors is an integer number (15108159).

Almost surely, 2^60399149 is an apocalyptic number.

It is an amenable number.

60399149 is a deficient number, since it is larger than the sum of its proper divisors (33487).

60399149 is a wasteful number, since it uses less digits than its factorization.

60399149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33486.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 60399149 is about 7771.6889412791. The cubic root of 60399149 is about 392.3529658740.

The spelling of 60399149 in words is "sixty million, three hundred ninety-nine thousand, one hundred forty-nine".