1969930 has 8 divisors (see below), whose sum is σ = 3545892. Its totient is φ = 787968.

The previous prime is 1969921. The next prime is 1969949. The reversal of 1969930 is 399691.

It can be written as a sum of positive squares in 2 ways, for example, as 1968409 + 1521 = 1403^2 + 39^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1969930.

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, 98487 + ... + 98506.

2^1969930 is an apocalyptic number.

1969930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1969930 is a deficient number, since it is larger than the sum of its proper divisors (1575962).

1969930 is a wasteful number, since it uses less digits than its factorization.

1969930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197000.

The product of its (nonzero) digits is 13122, while the sum is 37.

The square root of 1969930 is about 1403.5419480728. The cubic root of 1969930 is about 125.3574833374.

The spelling of 1969930 in words is "one million, nine hundred sixty-nine thousand, nine hundred thirty".