61983404 has 48 divisors (see below), whose sum is σ = 127008000. Its totient is φ = 25922496.

The previous prime is 61983401. The next prime is 61983407. The reversal of 61983404 is 40438916.

It is an interprime number because it is at equal distance from previous prime (61983401) and next prime (61983407).

It is not an unprimeable number, because it can be changed into a prime (61983401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346187 + ... + 346365.

It is an arithmetic number, because the mean of its divisors is an integer number (2646000).

Almost surely, 2^61983404 is an apocalyptic number.

It is an amenable number.

61983404 is an abundant number, since it is smaller than the sum of its proper divisors (65024596).

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

61983404 is a wasteful number, since it uses less digits than its factorization.

61983404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 61983404 is about 7872.9539564258. The cubic root of 61983404 is about 395.7538432095.

The spelling of 61983404 in words is "sixty-one million, nine hundred eighty-three thousand, four hundred four".