61090428 has 24 divisors (see below), whose sum is σ = 162908032. Its totient is φ = 17454384.

The previous prime is 61090423. The next prime is 61090481. The reversal of 61090428 is 82409016.

61090428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61090395 and 61090404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61090423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363550 + ... + 363717.

Almost surely, 2^61090428 is an apocalyptic number.

It is an amenable number.

61090428 is an abundant number, since it is smaller than the sum of its proper divisors (101817604).

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

61090428 is a wasteful number, since it uses less digits than its factorization.

61090428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727281 (or 727279 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 61090428 is about 7816.0365915213. The cubic root of 61090428 is about 393.8441411586.

The spelling of 61090428 in words is "sixty-one million, ninety thousand, four hundred twenty-eight".