1961236 has 6 divisors (see below), whose sum is σ = 3432170. Its totient is φ = 980616.

The previous prime is 1961231. The next prime is 1961249. The reversal of 1961236 is 6321691.

It can be written as a sum of positive squares in only one way, i.e., 1838736 + 122500 = 1356^2 + 350^2 .

It is an Ulam number.

It is a zygodrome in base 6.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 245151 + ... + 245158.

2^1961236 is an apocalyptic number.

It is an amenable number.

1961236 is a deficient number, since it is larger than the sum of its proper divisors (1470934).

1961236 is a wasteful number, since it uses less digits than its factorization.

1961236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490313 (or 490311 counting only the distinct ones).

The product of its digits is 1944, while the sum is 28.

The square root of 1961236 is about 1400.4413590008. The cubic root of 1961236 is about 125.1727956898.

It can be divided in two parts, 1961 and 236, that added together give a cube (2197 = 13³).

The spelling of 1961236 in words is "one million, nine hundred sixty-one thousand, two hundred thirty-six".