83400465 has 8 divisors (see below), whose sum is σ = 133440768. Its totient is φ = 44480240.

The previous prime is 83400463. The next prime is 83400467. The reversal of 83400465 is 56400438.

It is an interprime number because it is at equal distance from previous prime (83400463) and next prime (83400467).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83400465 - 2¹ = 83400463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83400463) 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 in 7 ways as a sum of consecutive naturals, for example, 2780001 + ... + 2780030.

It is an arithmetic number, because the mean of its divisors is an integer number (16680096).

Almost surely, 2^83400465 is an apocalyptic number.

It is an amenable number.

83400465 is a deficient number, since it is larger than the sum of its proper divisors (50040303).

83400465 is a wasteful number, since it uses less digits than its factorization.

83400465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560039.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 83400465 is about 9132.3855043466. The cubic root of 83400465 is about 436.9074907119.

The spelling of 83400465 in words is "eighty-three million, four hundred thousand, four hundred sixty-five".