1961230 has 16 divisors (see below), whose sum is σ = 3613104. Its totient is φ = 766080.

The previous prime is 1961221. The next prime is 1961231. The reversal of 1961230 is 321691.

It is a super-2 number, since 2×1961230² = 7692846225800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1961231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1851 + ... + 2710.

It is an arithmetic number, because the mean of its divisors is an integer number (225819).

2^1961230 is an apocalyptic number.

1961230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1961230 is a deficient number, since it is larger than the sum of its proper divisors (1651874).

1961230 is a wasteful number, since it uses less digits than its factorization.

1961230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4611.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1961230 is about 1400.4392168174. The cubic root of 1961230 is about 125.1726680428.

The spelling of 1961230 in words is "one million, nine hundred sixty-one thousand, two hundred thirty".