61388948 has 12 divisors (see below), whose sum is σ = 107782752. Its totient is φ = 30593880.

The previous prime is 61388941. The next prime is 61388953. The reversal of 61388948 is 84988316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61388941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23768 + ... + 26223.

It is an arithmetic number, because the mean of its divisors is an integer number (8981896).

Almost surely, 2^61388948 is an apocalyptic number.

It is an amenable number.

61388948 is a deficient number, since it is larger than the sum of its proper divisors (46393804).

61388948 is a wasteful number, since it uses less digits than its factorization.

61388948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50302 (or 50300 counting only the distinct ones).

The product of its digits is 331776, while the sum is 47.

The square root of 61388948 is about 7835.1099545571. The cubic root of 61388948 is about 394.4846090218.

The spelling of 61388948 in words is "sixty-one million, three hundred eighty-eight thousand, nine hundred forty-eight".