190694790 has 192 divisors, whose sum is σ = 603288000. Its totient is φ = 42577920.

The previous prime is 190694789. The next prime is 190694843. The reversal of 190694790 is 97496091.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 424486 + ... + 424934.

It is an arithmetic number, because the mean of its divisors is an integer number (3142125).

Almost surely, 2^190694790 is an apocalyptic number.

190694790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 190694790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301644000).

190694790 is an abundant number, since it is smaller than the sum of its proper divisors (412593210).

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

190694790 is a wasteful number, since it uses less digits than its factorization.

190694790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 190694790 is about 13809.2284360858. The cubic root of 190694790 is about 575.5896056710.

The spelling of 190694790 in words is "one hundred ninety million, six hundred ninety-four thousand, seven hundred ninety".