219496090 has 32 divisors (see below), whose sum is σ = 435217536. Its totient is φ = 79037760.

The previous prime is 219496033. The next prime is 219496103. The reversal of 219496090 is 90694912.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1644 + ... + 21016.

It is an arithmetic number, because the mean of its divisors is an integer number (13600548).

Almost surely, 2^219496090 is an apocalyptic number.

219496090 is a deficient number, since it is larger than the sum of its proper divisors (215721446).

219496090 is a wasteful number, since it uses less digits than its factorization.

219496090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19494.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 219496090 is about 14815.4004333329. The cubic root of 219496090 is about 603.2198108264.

The spelling of 219496090 in words is "two hundred nineteen million, four hundred ninety-six thousand, ninety".