987601606 has 4 divisors (see below), whose sum is σ = 1481402412. Its totient is φ = 493800802.

The previous prime is 987601543. The next prime is 987601609. The reversal of 987601606 is 606106789.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 606106789 = 2663 ⋅227603.

It is a super-3 number, since 3×987601606³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987601609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246900400 + ... + 246900403.

It is an arithmetic number, because the mean of its divisors is an integer number (370350603).

Almost surely, 2^987601606 is an apocalyptic number.

987601606 is a deficient number, since it is larger than the sum of its proper divisors (493800806).

987601606 is a wasteful number, since it uses less digits than its factorization.

987601606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493800805.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 987601606 is about 31426.1293512262. The cubic root of 987601606 is about 995.8500033522.

The spelling of 987601606 in words is "nine hundred eighty-seven million, six hundred one thousand, six hundred six".