61940498 has 16 divisors (see below), whose sum is σ = 95290776. Its totient is φ = 30186240.

The previous prime is 61940497. The next prime is 61940507. The reversal of 61940498 is 89404916.

It can be written as a sum of positive squares in 4 ways, for example, as 38775529 + 23164969 = 6227^2 + 4813^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61940497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11540 + ... + 16032.

Almost surely, 2^61940498 is an apocalyptic number.

61940498 is a deficient number, since it is larger than the sum of its proper divisors (33350278).

61940498 is a wasteful number, since it uses less digits than its factorization.

61940498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4669.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 61940498 is about 7870.2285862610. The cubic root of 61940498 is about 395.6625062128.

The spelling of 61940498 in words is "sixty-one million, nine hundred forty thousand, four hundred ninety-eight".