83430661 has 8 divisors (see below), whose sum is σ = 84988800. Its totient is φ = 81877440.

The previous prime is 83430631. The next prime is 83430667. The reversal of 83430661 is 16603438.

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

It is a cyclic number.

It is not a de Polignac number, because 83430661 - 2¹⁵ = 83397893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83430667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60621 + ... + 61981.

It is an arithmetic number, because the mean of its divisors is an integer number (10623600).

Almost surely, 2^83430661 is an apocalyptic number.

It is an amenable number.

83430661 is a deficient number, since it is larger than the sum of its proper divisors (1558139).

83430661 is a wasteful number, since it uses less digits than its factorization.

83430661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 83430661 is about 9134.0385919920. The cubic root of 83430661 is about 436.9602133065.

The spelling of 83430661 in words is "eighty-three million, four hundred thirty thousand, six hundred sixty-one".