190088215 has 12 divisors (see below), whose sum is σ = 238458024. Its totient is φ = 145456784.

The previous prime is 190088207. The next prime is 190088219. The reversal of 190088215 is 512880091.

It is not a de Polignac number, because 190088215 - 2³ = 190088207 is a prime.

It is a super-2 number, since 2×190088215² = 72267058963772450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190088219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33289 + ... + 38578.

It is an arithmetic number, because the mean of its divisors is an integer number (19871502).

Almost surely, 2^190088215 is an apocalyptic number.

190088215 is a deficient number, since it is larger than the sum of its proper divisors (48369809).

190088215 is an equidigital number, since it uses as much as digits as its factorization.

190088215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71918 (or 71895 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 190088215 is about 13787.2482751273. The cubic root of 190088215 is about 574.9786658751.

The spelling of 190088215 in words is "one hundred ninety million, eighty-eight thousand, two hundred fifteen".