234534987 has 16 divisors (see below), whose sum is σ = 347844000. Its totient is φ = 156183552.

The previous prime is 234534983. The next prime is 234534991. The reversal of 234534987 is 789435432.

234534987 is a `hidden beast` number, since 2 + 34 + 534 + 9 + 87 = 666.

It is an interprime number because it is at equal distance from previous prime (234534983) and next prime (234534991).

It is not a de Polignac number, because 234534987 - 2² = 234534983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234534983) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 22939 + ... + 31547.

It is an arithmetic number, because the mean of its divisors is an integer number (21740250).

Almost surely, 2^234534987 is an apocalyptic number.

234534987 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

234534987 is a deficient number, since it is larger than the sum of its proper divisors (113309013).

234534987 is a wasteful number, since it uses less digits than its factorization.

234534987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9627 (or 9621 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 234534987 is about 15314.5351545517. The cubic root of 234534987 is about 616.6932753391.

The spelling of 234534987 in words is "two hundred thirty-four million, five hundred thirty-four thousand, nine hundred eighty-seven".