87649414 has 4 divisors (see below), whose sum is σ = 131474124. Its totient is φ = 43824706.

The previous prime is 87649409. The next prime is 87649417. The reversal of 87649414 is 41494678.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87649417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21912352 + ... + 21912355.

It is an arithmetic number, because the mean of its divisors is an integer number (32868531).

Almost surely, 2^87649414 is an apocalyptic number.

87649414 is a deficient number, since it is larger than the sum of its proper divisors (43824710).

87649414 is a wasteful number, since it uses less digits than its factorization.

87649414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43824709.

The product of its digits is 193536, while the sum is 43.

The square root of 87649414 is about 9362.1265746624. The cubic root of 87649414 is about 444.2045529618.

The spelling of 87649414 in words is "eighty-seven million, six hundred forty-nine thousand, four hundred fourteen".