1969090 has 16 divisors (see below), whose sum is σ = 3564288. Its totient is φ = 783216.

The previous prime is 1969073. The next prime is 1969111. The reversal of 1969090 is 909691.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1789 + ... + 2671.

It is an arithmetic number, because the mean of its divisors is an integer number (222768).

2^1969090 is an apocalyptic number.

1969090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1969090 is a deficient number, since it is larger than the sum of its proper divisors (1595198).

1969090 is a wasteful number, since it uses less digits than its factorization.

1969090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113.

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 1969090 is about 1403.2426732394. The cubic root of 1969090 is about 125.3396628638.

The spelling of 1969090 in words is "one million, nine hundred sixty-nine thousand, ninety".