61989350 has 24 divisors (see below), whose sum is σ = 115693488. Its totient is φ = 24711200.

The previous prime is 61989341. The next prime is 61989371. The reversal of 61989350 is 5398916.

It is a junction number, because it is equal to n+sod(n) for n = 61989298 and 61989307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13895 + ... + 17805.

It is an arithmetic number, because the mean of its divisors is an integer number (4820562).

Almost surely, 2^61989350 is an apocalyptic number.

61989350 is a deficient number, since it is larger than the sum of its proper divisors (53704138).

61989350 is a wasteful number, since it uses less digits than its factorization.

61989350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4240 (or 4235 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 61989350 is about 7873.3315692914. The cubic root of 61989350 is about 395.7664975490.

The spelling of 61989350 in words is "sixty-one million, nine hundred eighty-nine thousand, three hundred fifty".