190061384 has 8 divisors (see below), whose sum is σ = 356365110. Its totient is φ = 95030688.

The previous prime is 190061383. The next prime is 190061401. The reversal of 190061384 is 483160091.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 132756484 + 57304900 = 11522^2 + 7570^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×190061384² = 72246659375990912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 190061384.

It is not an unprimeable number, because it can be changed into a prime (190061381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11878829 + ... + 11878844.

Almost surely, 2^190061384 is an apocalyptic number.

It is an amenable number.

190061384 is a deficient number, since it is larger than the sum of its proper divisors (166303726).

190061384 is a wasteful number, since it uses less digits than its factorization.

190061384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23757679 (or 23757675 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 190061384 is about 13786.2752039846. The cubic root of 190061384 is about 574.9516118071.

The spelling of 190061384 in words is "one hundred ninety million, sixty-one thousand, three hundred eighty-four".