61939296 has 96 divisors (see below), whose sum is σ = 191328480. Its totient is φ = 19427328.

The previous prime is 61939291. The next prime is 61939301. The reversal of 61939296 is 69293916.

It is a happy number.

61939296 is a `hidden beast` number, since 619 + 3 + 9 + 29 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (61939291) and next prime (61939301).

It is a tau number, because it is divible by the number of its divisors (96).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61939291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12580 + ... + 16796.

It is an arithmetic number, because the mean of its divisors is an integer number (1993005).

Almost surely, 2^61939296 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 61939296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95664240).

61939296 is an abundant number, since it is smaller than the sum of its proper divisors (129389184).

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

61939296 is a wasteful number, since it uses less digits than its factorization.

61939296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253 (or 4239 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The square root of 61939296 is about 7870.1522221619. The cubic root of 61939296 is about 395.6599468242.

The spelling of 61939296 in words is "sixty-one million, nine hundred thirty-nine thousand, two hundred ninety-six".