192426990 has 32 divisors (see below), whose sum is σ = 527800320. Its totient is φ = 43983264.

The previous prime is 192426959. The next prime is 192427031. The reversal of 192426990 is 99624291.

192426990 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457950 + ... + 458369.

It is an arithmetic number, because the mean of its divisors is an integer number (16493760).

Almost surely, 2^192426990 is an apocalyptic number.

192426990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

192426990 is an abundant number, since it is smaller than the sum of its proper divisors (335373330).

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

192426990 is a wasteful number, since it uses less digits than its factorization.

192426990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916336.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 192426990 is about 13871.8055782223. The cubic root of 192426990 is about 577.3271685355.

The spelling of 192426990 in words is "one hundred ninety-two million, four hundred twenty-six thousand, nine hundred ninety".