1961064 has 64 divisors (see below), whose sum is σ = 6230400. Its totient is φ = 559872.

The previous prime is 1961059. The next prime is 1961077. The reversal of 1961064 is 4601691.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 6.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 864 + ... + 2160.

It is an arithmetic number, because the mean of its divisors is an integer number (97350).

2^1961064 is an apocalyptic number.

1961064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1961064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3115200).

1961064 is an abundant number, since it is smaller than the sum of its proper divisors (4269336).

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

1961064 is a wasteful number, since it uses less digits than its factorization.

1961064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319 (or 1309 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1961064 is about 1400.3799484426. The cubic root of 1961064 is about 125.1691363732.

The spelling of 1961064 in words is "one million, nine hundred sixty-one thousand, sixty-four".