61939466 has 8 divisors (see below), whose sum is σ = 98374500. Its totient is φ = 29147968.

The previous prime is 61939463. The next prime is 61939469. The reversal of 61939466 is 66493916.

61939466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61939463) and next prime (61939469).

It can be written as a sum of positive squares in 2 ways, for example, as 59613841 + 2325625 = 7721^2 + 1525^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61939463) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 910841 + ... + 910908.

Almost surely, 2^61939466 is an apocalyptic number.

61939466 is a deficient number, since it is larger than the sum of its proper divisors (36435034).

61939466 is a wasteful number, since it uses less digits than its factorization.

61939466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821768.

The product of its digits is 209952, while the sum is 44.

The square root of 61939466 is about 7870.1630224539. The cubic root of 61939466 is about 395.6603088030.

The spelling of 61939466 in words is "sixty-one million, nine hundred thirty-nine thousand, four hundred sixty-six".