190901406 has 16 divisors (see below), whose sum is σ = 383614848. Its totient is φ = 63331800.

The previous prime is 190901393. The next prime is 190901423. The reversal of 190901406 is 604109091.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74130 + ... + 76661.

It is an arithmetic number, because the mean of its divisors is an integer number (23975928).

Almost surely, 2^190901406 is an apocalyptic number.

190901406 is an abundant number, since it is smaller than the sum of its proper divisors (192713442).

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

190901406 is a wasteful number, since it uses less digits than its factorization.

190901406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151007.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 190901406 is about 13816.7074949135. The cubic root of 190901406 is about 575.7974126000.

The spelling of 190901406 in words is "one hundred ninety million, nine hundred one thousand, four hundred six".