1961934 has 16 divisors (see below), whose sum is σ = 4225872. Its totient is φ = 603648.

The previous prime is 1961933. The next prime is 1961957. The reversal of 1961934 is 4391691.

It is a junction number, because it is equal to n+sod(n) for n = 1961895 and 1961904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1961933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12499 + ... + 12654.

It is an arithmetic number, because the mean of its divisors is an integer number (264117).

2^1961934 is an apocalyptic number.

1961934 is an abundant number, since it is smaller than the sum of its proper divisors (2263938).

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

1961934 is a wasteful number, since it uses less digits than its factorization.

1961934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25171.

The product of its digits is 5832, while the sum is 33.

The square root of 1961934 is about 1400.6905439818. The cubic root of 1961934 is about 125.1876435117.

The spelling of 1961934 in words is "one million, nine hundred sixty-one thousand, nine hundred thirty-four".