61804488 has 16 divisors (see below), whose sum is σ = 154511280. Its totient is φ = 20601488.

The previous prime is 61804487. The next prime is 61804493. The reversal of 61804488 is 88440816.

It is not an unprimeable number, because it can be changed into a prime (61804487) 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, 1287570 + ... + 1287617.

It is an arithmetic number, because the mean of its divisors is an integer number (9656955).

Almost surely, 2^61804488 is an apocalyptic number.

It is an amenable number.

61804488 is an abundant number, since it is smaller than the sum of its proper divisors (92706792).

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

61804488 is a wasteful number, since it uses less digits than its factorization.

61804488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575196 (or 2575192 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 39.

The square root of 61804488 is about 7861.5830466898. The cubic root of 61804488 is about 395.3726931614.

The spelling of 61804488 in words is "sixty-one million, eight hundred four thousand, four hundred eighty-eight".