61861846 has 8 divisors (see below), whose sum is σ = 92828880. Its totient is φ = 30918888.

The previous prime is 61861841. The next prime is 61861867. The reversal of 61861846 is 64816816.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 61861799 and 61861808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61861841) 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, 3280 + ... + 11596.

It is an arithmetic number, because the mean of its divisors is an integer number (11603610).

Almost surely, 2^61861846 is an apocalyptic number.

61861846 is a deficient number, since it is larger than the sum of its proper divisors (30967034).

61861846 is a wasteful number, since it uses less digits than its factorization.

61861846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12038.

The product of its digits is 55296, while the sum is 40.

The square root of 61861846 is about 7865.2301937070. The cubic root of 61861846 is about 395.4949646224.

The spelling of 61861846 in words is "sixty-one million, eight hundred sixty-one thousand, eight hundred forty-six".