83469540 has 288 divisors, whose sum is σ = 310262400. Its totient is φ = 16558080.

The previous prime is 83469539. The next prime is 83469557. The reversal of 83469540 is 4596438.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 937816 + ... + 937904.

It is an arithmetic number, because the mean of its divisors is an integer number (1077300).

Almost surely, 2^83469540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83469540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155131200).

83469540 is an abundant number, since it is smaller than the sum of its proper divisors (226792860).

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

83469540 is a wasteful number, since it uses less digits than its factorization.

83469540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 83469540 is about 9136.1665921764. The cubic root of 83469540 is about 437.0280777970.

The spelling of 83469540 in words is "eighty-three million, four hundred sixty-nine thousand, five hundred forty".