1900970 has 8 divisors (see below), whose sum is σ = 3421764. Its totient is φ = 760384.

The previous prime is 1900937. The next prime is 1900981. The reversal of 1900970 is 790091.

It can be written as a sum of positive squares in 2 ways, for example, as 1713481 + 187489 = 1309^2 + 433^2 .

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

It is a super-2 number, since 2×1900970² = 7227373881800, which contains 22 as substring.

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, 95039 + ... + 95058.

2^1900970 is an apocalyptic number.

1900970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1900970 is a deficient number, since it is larger than the sum of its proper divisors (1520794).

1900970 is a wasteful number, since it uses less digits than its factorization.

1900970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190104.

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

The square root of 1900970 is about 1378.7566862939. The cubic root of 1900970 is about 123.8773066660.

The spelling of 1900970 in words is "one million, nine hundred thousand, nine hundred seventy".