61608393 has 48 divisors (see below), whose sum is σ = 116812800. Its totient is φ = 30313440.

The previous prime is 61608389. The next prime is 61608397. The reversal of 61608393 is 39380616.

It is a happy number.

61608393 is a `hidden beast` number, since 616 + 0 + 8 + 39 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (61608389) and next prime (61608397).

It is not a de Polignac number, because 61608393 - 2² = 61608389 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61608397) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10828 + ... + 15506.

It is an arithmetic number, because the mean of its divisors is an integer number (2433600).

Almost surely, 2^61608393 is an apocalyptic number.

61608393 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

61608393 is a deficient number, since it is larger than the sum of its proper divisors (55204407).

61608393 is a wasteful number, since it uses less digits than its factorization.

61608393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4722 (or 4719 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 61608393 is about 7849.1014135377. The cubic root of 61608393 is about 394.9541003120.

It can be divided in two parts, 61608 and 393, that added together give a square (62001 = 249²).

The spelling of 61608393 in words is "sixty-one million, six hundred eight thousand, three hundred ninety-three".