61963894 has 8 divisors (see below), whose sum is σ = 96150960. Its totient is φ = 29913576.

The previous prime is 61963877. The next prime is 61963939. The reversal of 61963894 is 49836916.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534114 + ... + 534229.

It is an arithmetic number, because the mean of its divisors is an integer number (12018870).

Almost surely, 2^61963894 is an apocalyptic number.

61963894 is a deficient number, since it is larger than the sum of its proper divisors (34187066).

61963894 is a wasteful number, since it uses less digits than its factorization.

61963894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068374.

The product of its digits is 279936, while the sum is 46.

The square root of 61963894 is about 7871.7148068258. The cubic root of 61963894 is about 395.7123161381.

The spelling of 61963894 in words is "sixty-one million, nine hundred sixty-three thousand, eight hundred ninety-four".