1970090 has 8 divisors (see below), whose sum is σ = 3546180. Its totient is φ = 788032.

The previous prime is 1970083. The next prime is 1970119. The reversal of 1970090 is 900791.

It can be written as a sum of positive squares in 2 ways, for example, as 1968409 + 1681 = 1403^2 + 41^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98495 + ... + 98514.

2^1970090 is an apocalyptic number.

1970090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1970090 is a deficient number, since it is larger than the sum of its proper divisors (1576090).

1970090 is a wasteful number, since it uses less digits than its factorization.

1970090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197016.

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

The square root of 1970090 is about 1403.5989455681. The cubic root of 1970090 is about 125.3608771389.

The spelling of 1970090 in words is "one million, nine hundred seventy thousand, ninety".