61348938 has 32 divisors (see below), whose sum is σ = 144752640. Its totient is φ = 16962480.

The previous prime is 61348913. The next prime is 61348961. The reversal of 61348938 is 83984316.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 61348938.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22258 + ... + 24861.

It is an arithmetic number, because the mean of its divisors is an integer number (4523520).

Almost surely, 2^61348938 is an apocalyptic number.

61348938 is an abundant number, since it is smaller than the sum of its proper divisors (83403702).

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

61348938 is a wasteful number, since it uses less digits than its factorization.

61348938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47162.

The product of its digits is 124416, while the sum is 42.

The square root of 61348938 is about 7832.5562877007. The cubic root of 61348938 is about 394.3988891441.

The spelling of 61348938 in words is "sixty-one million, three hundred forty-eight thousand, nine hundred thirty-eight".