61297386 has 16 divisors (see below), whose sum is σ = 123106368. Its totient is φ = 20347200.

The previous prime is 61297361. The next prime is 61297417. The reversal of 61297386 is 68379216.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19750 + ... + 22641.

It is an arithmetic number, because the mean of its divisors is an integer number (7694148).

Almost surely, 2^61297386 is an apocalyptic number.

61297386 is an abundant number, since it is smaller than the sum of its proper divisors (61808982).

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

61297386 is a wasteful number, since it uses less digits than its factorization.

61297386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42637.

The product of its digits is 108864, while the sum is 42.

The square root of 61297386 is about 7829.2647164341. The cubic root of 61297386 is about 394.2883860127.

The spelling of 61297386 in words is "sixty-one million, two hundred ninety-seven thousand, three hundred eighty-six".