1970190 has 32 divisors (see below), whose sum is σ = 5254560. Its totient is φ = 525312.

The previous prime is 1970183. The next prime is 1970201. The reversal of 1970190 is 910791.

It is a super-2 number, since 2×1970190² = 7763297272200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3379 + ... + 3918.

It is an arithmetic number, because the mean of its divisors is an integer number (164205).

2^1970190 is an apocalyptic number.

1970190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1970190 is an abundant number, since it is smaller than the sum of its proper divisors (3284370).

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

1970190 is a wasteful number, since it uses less digits than its factorization.

1970190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7313 (or 7307 counting only the distinct ones).

The product of its (nonzero) digits is 567, while the sum is 27.

The square root of 1970190 is about 1403.6345678274. The cubic root of 1970190 is about 125.3629981715.

It can be divided in two parts, 19701 and 90, that added together give a palindrome (19791).

The spelling of 1970190 in words is "one million, nine hundred seventy thousand, one hundred ninety".