61946383 has 4 divisors (see below), whose sum is σ = 64639728. Its totient is φ = 59253040.

The previous prime is 61946377. The next prime is 61946389. The reversal of 61946383 is 38364916.

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

It is an interprime number because it is at equal distance from previous prime (61946377) and next prime (61946389).

It is a cyclic number.

It is not a de Polignac number, because 61946383 - 2¹⁷ = 61815311 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 (61946389) 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, 1346638 + ... + 1346683.

It is an arithmetic number, because the mean of its divisors is an integer number (16159932).

Almost surely, 2^61946383 is an apocalyptic number.

61946383 is a deficient number, since it is larger than the sum of its proper divisors (2693345).

61946383 is a wasteful number, since it uses less digits than its factorization.

61946383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2693344.

The product of its digits is 93312, while the sum is 40.

The square root of 61946383 is about 7870.6024547045. The cubic root of 61946383 is about 395.6750365184.

The spelling of 61946383 in words is "sixty-one million, nine hundred forty-six thousand, three hundred eighty-three".