916450431 has 32 divisors (see below), whose sum is σ = 1374696960. Its totient is φ = 539167104.

The previous prime is 916450411. The next prime is 916450439. The reversal of 916450431 is 134054619.

It is not a de Polignac number, because 916450431 - 2¹⁴ = 916434047 is a prime.

It is a super-2 number, since 2×916450431² = 1679762784960171522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 916450392 and 916450401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916450439) 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, 112560 + ... + 120426.

It is an arithmetic number, because the mean of its divisors is an integer number (42959280).

Almost surely, 2^916450431 is an apocalyptic number.

916450431 is a deficient number, since it is larger than the sum of its proper divisors (458246529).

916450431 is a wasteful number, since it uses less digits than its factorization.

916450431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8015.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 916450431 is about 30272.9323158494. The cubic root of 916450431 is about 971.3363912295.

It can be divided in two parts, 9164 and 50431, that added together give a palindrome (59595).

The spelling of 916450431 in words is "nine hundred sixteen million, four hundred fifty thousand, four hundred thirty-one".