1961392 has 20 divisors (see below), whose sum is σ = 4024296. Its totient is φ = 922880.

The previous prime is 1961381. The next prime is 1961411. The reversal of 1961392 is 2931691.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3334 + ... + 3877.

2^1961392 is an apocalyptic number.

It is an amenable number.

1961392 is an abundant number, since it is smaller than the sum of its proper divisors (2062904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1961392 is a wasteful number, since it uses less digits than its factorization.

1961392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7236 (or 7230 counting only the distinct ones).

The product of its digits is 2916, while the sum is 31.

The square root of 1961392 is about 1400.4970546203. The cubic root of 1961392 is about 125.1761144198.

Subtracting 1961392 from its reverse (2931691), we obtain a cube (970299 = 99³).

The spelling of 1961392 in words is "one million, nine hundred sixty-one thousand, three hundred ninety-two".