190421416 has 32 divisors (see below), whose sum is σ = 374855040. Its totient is φ = 90511168.

The previous prime is 190421411. The next prime is 190421417. The reversal of 190421416 is 614124091.

190421416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (190421411) 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, 27630 + ... + 33826.

It is an arithmetic number, because the mean of its divisors is an integer number (11714220).

Almost surely, 2^190421416 is an apocalyptic number.

It is an amenable number.

190421416 is a deficient number, since it is larger than the sum of its proper divisors (184433624).

190421416 is a wasteful number, since it uses less digits than its factorization.

190421416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6393 (or 6389 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 190421416 is about 13799.3266502391. The cubic root of 190421416 is about 575.3144251342.

The spelling of 190421416 in words is "one hundred ninety million, four hundred twenty-one thousand, four hundred sixteen".