61954838 has 24 divisors (see below), whose sum is σ = 103255560. Its totient is φ = 27649760.

The previous prime is 61954831. The next prime is 61954853. The reversal of 61954838 is 83845916.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61954831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76178 + ... + 76986.

It is an arithmetic number, because the mean of its divisors is an integer number (4302315).

Almost surely, 2^61954838 is an apocalyptic number.

61954838 is a deficient number, since it is larger than the sum of its proper divisors (41300722).

61954838 is a wasteful number, since it uses less digits than its factorization.

61954838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940 (or 881 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 61954838 is about 7871.1395617153. The cubic root of 61954838 is about 395.6930374631.

The spelling of 61954838 in words is "sixty-one million, nine hundred fifty-four thousand, eight hundred thirty-eight".