190413408 has 96 divisors (see below), whose sum is σ = 521579520. Its totient is φ = 60756480.

The previous prime is 190413407. The next prime is 190413467. The reversal of 190413408 is 804314091.

It is a happy number.

190413408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190413407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324091 + ... + 324677.

It is an arithmetic number, because the mean of its divisors is an integer number (5433120).

Almost surely, 2^190413408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190413408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260789760).

190413408 is an abundant number, since it is smaller than the sum of its proper divisors (331166112).

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

190413408 is a wasteful number, since it uses less digits than its factorization.

190413408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 732 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 190413408 is about 13799.0364881031. The cubic root of 190413408 is about 575.3063602456.

Adding to 190413408 its reverse (804314091), we get a palindrome (994727499).

The spelling of 190413408 in words is "one hundred ninety million, four hundred thirteen thousand, four hundred eight".