618472286 has 4 divisors (see below), whose sum is σ = 927708432. Its totient is φ = 309236142.

The previous prime is 618472273. The next prime is 618472297. The reversal of 618472286 is 682274816.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154618070 + ... + 154618073.

It is an arithmetic number, because the mean of its divisors is an integer number (231927108).

Almost surely, 2^618472286 is an apocalyptic number.

618472286 is a deficient number, since it is larger than the sum of its proper divisors (309236146).

618472286 is a wasteful number, since it uses less digits than its factorization.

618472286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309236145.

The product of its digits is 258048, while the sum is 44.

The square root of 618472286 is about 24869.1030397158. The cubic root of 618472286 is about 852.0009542114. Note that the first 3 decimals are identical.

It can be divided in two parts, 6 and 18472286, that multiplied together give a triangular number (110833716 = T₁₄₈₈₈).

The spelling of 618472286 in words is "six hundred eighteen million, four hundred seventy-two thousand, two hundred eighty-six".