61039496 has 48 divisors (see below), whose sum is σ = 137456640. Its totient is φ = 25310880.

The previous prime is 61039483. The next prime is 61039499. The reversal of 61039496 is 69493016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61039499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9641 + ... + 14663.

It is an arithmetic number, because the mean of its divisors is an integer number (2863680).

Almost surely, 2^61039496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61039496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68728320).

61039496 is an abundant number, since it is smaller than the sum of its proper divisors (76417144).

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

61039496 is a wasteful number, since it uses less digits than its factorization.

61039496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5074 (or 5063 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 61039496 is about 7812.7777390631. Note that the first 4 decimals coincide. The cubic root of 61039496 is about 393.7346594846.

The spelling of 61039496 in words is "sixty-one million, thirty-nine thousand, four hundred ninety-six".