190030700 has 36 divisors (see below), whose sum is σ = 413046480. Its totient is φ = 75887040.

The previous prime is 190030699. The next prime is 190030727. The reversal of 190030700 is 7030091.

It is a super-2 number, since 2×190030700² = 72223333884980000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81146 + ... + 83454.

Almost surely, 2^190030700 is an apocalyptic number.

190030700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190030700 is an abundant number, since it is smaller than the sum of its proper divisors (223015780).

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

190030700 is a wasteful number, since it uses less digits than its factorization.

190030700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3146 (or 3139 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 190030700 is about 13785.1623131540. The cubic root of 190030700 is about 574.9206695849.

Adding to 190030700 its reverse (7030091), we get a palindrome (197060791).

The spelling of 190030700 in words is "one hundred ninety million, thirty thousand, seven hundred".