83415424 has 16 divisors (see below), whose sum is σ = 166179420. Its totient is φ = 41707648.

The previous prime is 83415419. The next prime is 83415433. The reversal of 83415424 is 42451438.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×83415424² = 13916265922199552, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325714 + ... + 325969.

Almost surely, 2^83415424 is an apocalyptic number.

It is an amenable number.

83415424 is a deficient number, since it is larger than the sum of its proper divisors (82763996).

83415424 is an equidigital number, since it uses as much as digits as its factorization.

83415424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651697 (or 651685 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

The square root of 83415424 is about 9133.2044759767. The cubic root of 83415424 is about 436.9336109038.

The spelling of 83415424 in words is "eighty-three million, four hundred fifteen thousand, four hundred twenty-four".