61034886 has 48 divisors (see below), whose sum is σ = 144909648. Its totient is φ = 18412800.

The previous prime is 61034881. The next prime is 61034887. The reversal of 61034886 is 68843016.

It is a happy number.

61034886 is a `hidden beast` number, since 610 + 34 + 8 + 8 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 61034886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61034881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55090 + ... + 56186.

It is an arithmetic number, because the mean of its divisors is an integer number (3018951).

Almost surely, 2^61034886 is an apocalyptic number.

61034886 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 61034886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72454824).

61034886 is an abundant number, since it is smaller than the sum of its proper divisors (83874762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61034886 is a wasteful number, since it uses less digits than its factorization.

61034886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397 (or 1394 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 61034886 is about 7812.4827039809. The cubic root of 61034886 is about 393.7247469821.

The spelling of 61034886 in words is "sixty-one million, thirty-four thousand, eight hundred eighty-six".