83400630 has 32 divisors (see below), whose sum is σ = 203558400. Its totient is φ = 21862752.

The previous prime is 83400617. The next prime is 83400631. The reversal of 83400630 is 3600438.

It is a self number, because there is not a number n which added to its sum of digits gives 83400630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83400631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21790 + ... + 25329.

It is an arithmetic number, because the mean of its divisors is an integer number (6361200).

Almost surely, 2^83400630 is an apocalyptic number.

83400630 is an abundant number, since it is smaller than the sum of its proper divisors (120157770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83400630 is a wasteful number, since it uses less digits than its factorization.

83400630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47188.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 83400630 is about 9132.3945381264. The cubic root of 83400630 is about 436.9077788386.

The spelling of 83400630 in words is "eighty-three million, four hundred thousand, six hundred thirty".