190970 has 24 divisors (see below), whose sum is σ = 375516. Its totient is φ = 69888.

The previous prime is 190921. The next prime is 190979. The reversal of 190970 is 79091.

It is a Cunningham number, because it is equal to 437²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 1 + 190969 = 1^2 + 437^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (190979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1634 + ... + 1746.

2¹⁹⁰⁹⁷⁰ is an apocalyptic number.

190970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190970 is a deficient number, since it is larger than the sum of its proper divisors (184546).

190970 is a wasteful number, since it uses less digits than its factorization.

190970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 567, while the sum is 26.

The square root of 190970 is about 437.0011441633. The cubic root of 190970 is about 57.5866368820.

The spelling of 190970 in words is "one hundred ninety thousand, nine hundred seventy".