61390346 has 4 divisors (see below), whose sum is σ = 92085522. Its totient is φ = 30695172.

The previous prime is 61390337. The next prime is 61390367. The reversal of 61390346 is 64309316.

It is a happy number.

61390346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 37761025 + 23629321 = 6145^2 + 4861^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15347585 + ... + 15347588.

Almost surely, 2^61390346 is an apocalyptic number.

61390346 is a deficient number, since it is larger than the sum of its proper divisors (30695176).

61390346 is a wasteful number, since it uses less digits than its factorization.

61390346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30695175.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 61390346 is about 7835.1991678578. The cubic root of 61390346 is about 394.4876035092.

The spelling of 61390346 in words is "sixty-one million, three hundred ninety thousand, three hundred forty-six".