87394629 has 32 divisors (see below), whose sum is σ = 137938176. Its totient is φ = 48176640.

The previous prime is 87394627. The next prime is 87394633. The reversal of 87394629 is 92649378.

It is not a de Polignac number, because 87394629 - 2¹ = 87394627 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87394627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106039 + ... + 106859.

It is an arithmetic number, because the mean of its divisors is an integer number (4310568).

Almost surely, 2^87394629 is an apocalyptic number.

It is an amenable number.

87394629 is a deficient number, since it is larger than the sum of its proper divisors (50543547).

87394629 is a wasteful number, since it uses less digits than its factorization.

87394629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005.

The product of its digits is 653184, while the sum is 48.

The square root of 87394629 is about 9348.5094533835. The cubic root of 87394629 is about 443.7737210357.

It can be divided in two parts, 87 and 394629, that added together give a triangular number (394716 = T₈₈₈).

The spelling of 87394629 in words is "eighty-seven million, three hundred ninety-four thousand, six hundred twenty-nine".