60397691 has 4 divisors (see below), whose sum is σ = 62480400. Its totient is φ = 58314984.

The previous prime is 60397669. The next prime is 60397699. The reversal of 60397691 is 19679306.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60397691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60397699) 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, 1041311 + ... + 1041368.

It is an arithmetic number, because the mean of its divisors is an integer number (15620100).

Almost surely, 2^60397691 is an apocalyptic number.

60397691 is a deficient number, since it is larger than the sum of its proper divisors (2082709).

60397691 is a wasteful number, since it uses less digits than its factorization.

60397691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082708.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 60397691 is about 7771.5951387087. The cubic root of 60397691 is about 392.3498087918.

The spelling of 60397691 in words is "sixty million, three hundred ninety-seven thousand, six hundred ninety-one".