83946490 has 16 divisors (see below), whose sum is σ = 151227648. Its totient is φ = 33551056.

The previous prime is 83946463. The next prime is 83946497. The reversal of 83946490 is 9464938.

It is not an unprimeable number, because it can be changed into a prime (83946497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13179 + ... + 18481.

It is an arithmetic number, because the mean of its divisors is an integer number (9451728).

Almost surely, 2^83946490 is an apocalyptic number.

83946490 is a deficient number, since it is larger than the sum of its proper divisors (67281158).

83946490 is a wasteful number, since it uses less digits than its factorization.

83946490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6893.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 83946490 is about 9162.2317150354. The cubic root of 83946490 is about 437.8588989695.

It can be divided in two parts, 8394 and 6490, that added together give a square (14884 = 122²).

The spelling of 83946490 in words is "eighty-three million, nine hundred forty-six thousand, four hundred ninety".