1961588 has 12 divisors (see below), whose sum is σ = 3481632. Its totient is φ = 966840.

The previous prime is 1961581. The next prime is 1961593. The reversal of 1961588 is 8851691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1961581) 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, 3170 + ... + 3737.

It is an arithmetic number, because the mean of its divisors is an integer number (290136).

2^1961588 is an apocalyptic number.

It is an amenable number.

1961588 is a deficient number, since it is larger than the sum of its proper divisors (1520044).

1961588 is a wasteful number, since it uses less digits than its factorization.

1961588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6982 (or 6980 counting only the distinct ones).

The product of its digits is 17280, while the sum is 38.

The square root of 1961588 is about 1400.5670280283. The cubic root of 1961588 is about 125.1802838568.

The spelling of 1961588 in words is "one million, nine hundred sixty-one thousand, five hundred eighty-eight".