83711490 has 32 divisors (see below), whose sum is σ = 209644416. Its totient is φ = 21352320.

The previous prime is 83711461. The next prime is 83711491. The reversal of 83711490 is 9411738.

It is a super-2 number, since 2×83711490² = 14015227116040200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83711491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59971 + ... + 61350.

It is an arithmetic number, because the mean of its divisors is an integer number (6551388).

Almost surely, 2^83711490 is an apocalyptic number.

83711490 is an abundant number, since it is smaller than the sum of its proper divisors (125932926).

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

83711490 is a wasteful number, since it uses less digits than its factorization.

83711490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121354.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 83711490 is about 9149.3983408747. The cubic root of 83711490 is about 437.4499360400.

The spelling of 83711490 in words is "eighty-three million, seven hundred eleven thousand, four hundred ninety".