61288894 has 8 divisors (see below), whose sum is σ = 92018160. Its totient is φ = 30616176.

The previous prime is 61288879. The next prime is 61288897. The reversal of 61288894 is 49888216.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61288897) 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, 11314 + ... + 15829.

It is an arithmetic number, because the mean of its divisors is an integer number (11502270).

Almost surely, 2^61288894 is an apocalyptic number.

61288894 is a deficient number, since it is larger than the sum of its proper divisors (30729266).

61288894 is a wasteful number, since it uses less digits than its factorization.

61288894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28274.

The product of its digits is 221184, while the sum is 46.

The square root of 61288894 is about 7828.7223734145. The cubic root of 61288894 is about 394.2701772341.

The spelling of 61288894 in words is "sixty-one million, two hundred eighty-eight thousand, eight hundred ninety-four".