60821397 has 54 divisors (see below), whose sum is σ = 111136662. Its totient is φ = 31770144.

The previous prime is 60821357. The next prime is 60821401. The reversal of 60821397 is 79312806.

It can be written as a sum of positive squares in only one way, i.e., 42107121 + 18714276 = 6489^2 + 4326^2 .

It is not a de Polignac number, because 60821397 - 2⁸ = 60821141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60821347) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 590448 + ... + 590550.

Almost surely, 2^60821397 is an apocalyptic number.

It is an amenable number.

60821397 is a deficient number, since it is larger than the sum of its proper divisors (50315265).

60821397 is a wasteful number, since it uses less digits than its factorization.

60821397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 60821397 is about 7798.8074088286. The cubic root of 60821397 is about 393.2651513692.

The spelling of 60821397 in words is "sixty million, eight hundred twenty-one thousand, three hundred ninety-seven".