83541402 has 64 divisors (see below), whose sum is σ = 219513600. Its totient is φ = 23042880.

The previous prime is 83541397. The next prime is 83541413. The reversal of 83541402 is 20414538.

83541402 is a `hidden beast` number, since 83 + 541 + 40 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7152 + ... + 14772.

It is an arithmetic number, because the mean of its divisors is an integer number (3429900).

Almost surely, 2^83541402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83541402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109756800).

83541402 is an abundant number, since it is smaller than the sum of its proper divisors (135972198).

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

83541402 is a wasteful number, since it uses less digits than its factorization.

83541402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7668 (or 7662 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 83541402 is about 9140.0985771489. The cubic root of 83541402 is about 437.1534596758.

The spelling of 83541402 in words is "eighty-three million, five hundred forty-one thousand, four hundred two".