147406987 has 8 divisors (see below), whose sum is σ = 181424096. Its totient is φ = 116629632.

The previous prime is 147406979. The next prime is 147406999. The reversal of 147406987 is 789604741.

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

It is not a de Polignac number, because 147406987 - 2³ = 147406979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147406907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 809838 + ... + 810019.

It is an arithmetic number, because the mean of its divisors is an integer number (22678012).

Almost surely, 2^147406987 is an apocalyptic number.

147406987 is a deficient number, since it is larger than the sum of its proper divisors (34017109).

147406987 is a wasteful number, since it uses less digits than its factorization.

147406987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619877.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 147406987 is about 12141.1279130071. The cubic root of 147406987 is about 528.2498184116.

The spelling of 147406987 in words is "one hundred forty-seven million, four hundred six thousand, nine hundred eighty-seven".