916024381 has 4 divisors (see below), whose sum is σ = 955851552. Its totient is φ = 876197212.

The previous prime is 916024357. The next prime is 916024391. The reversal of 916024381 is 183420619.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 183420619 = 71 ⋅2583389.

It is a cyclic number.

It is not a de Polignac number, because 916024381 - 2¹⁵ = 915991613 is a prime.

It is a super-2 number, since 2×916024381² = 1678201333172866322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916024331) 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 3 ways as a sum of consecutive naturals, for example, 19913551 + ... + 19913596.

It is an arithmetic number, because the mean of its divisors is an integer number (238962888).

Almost surely, 2^916024381 is an apocalyptic number.

It is an amenable number.

916024381 is a deficient number, since it is larger than the sum of its proper divisors (39827171).

916024381 is a wasteful number, since it uses less digits than its factorization.

916024381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39827170.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 916024381 is about 30265.8946836204. The cubic root of 916024381 is about 971.1858458928.

The spelling of 916024381 in words is "nine hundred sixteen million, twenty-four thousand, three hundred eighty-one".