1961534 has 8 divisors (see below), whose sum is σ = 2972928. Its totient is φ = 970560.

The previous prime is 1961527. The next prime is 1961537. The reversal of 1961534 is 4351691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1961497 and 1961506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1961537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4862 + ... + 5249.

It is an arithmetic number, because the mean of its divisors is an integer number (371616).

2^1961534 is an apocalyptic number.

1961534 is a deficient number, since it is larger than the sum of its proper divisors (1011394).

1961534 is a wasteful number, since it uses less digits than its factorization.

1961534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10210.

The product of its digits is 3240, while the sum is 29.

The square root of 1961534 is about 1400.5477499893. The cubic root of 1961534 is about 125.1791351621.

The spelling of 1961534 in words is "one million, nine hundred sixty-one thousand, five hundred thirty-four".