87969396 has 12 divisors (see below), whose sum is σ = 205261952. Its totient is φ = 29323128.

The previous prime is 87969391. The next prime is 87969419. The reversal of 87969396 is 69396978.

87969396 is nontrivially palindromic in base 5.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×87969396² = 15477229265209632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87969391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3665380 + ... + 3665403.

Almost surely, 2^87969396 is an apocalyptic number.

It is an amenable number.

87969396 is an abundant number, since it is smaller than the sum of its proper divisors (117292556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87969396 is a wasteful number, since it uses less digits than its factorization.

87969396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7330790 (or 7330788 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 57.

The square root of 87969396 is about 9379.2001791198. The cubic root of 87969396 is about 444.7444494939.

The spelling of 87969396 in words is "eighty-seven million, nine hundred sixty-nine thousand, three hundred ninety-six".