83237340 has 24 divisors (see below), whose sum is σ = 233064720. Its totient is φ = 22196608.

The previous prime is 83237311. The next prime is 83237351. The reversal of 83237340 is 4373238.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 83237298 and 83237307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 693585 + ... + 693704.

It is an arithmetic number, because the mean of its divisors is an integer number (9711030).

Almost surely, 2^83237340 is an apocalyptic number.

It is an amenable number.

83237340 is an abundant number, since it is smaller than the sum of its proper divisors (149827380).

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

83237340 is a wasteful number, since it uses less digits than its factorization.

83237340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387301 (or 1387299 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 83237340 is about 9123.4500053434. The cubic root of 83237340 is about 436.6224521270.

The spelling of 83237340 in words is "eighty-three million, two hundred thirty-seven thousand, three hundred forty".