1601956 has 12 divisors (see below), whose sum is σ = 2894080. Its totient is φ = 775080.

The previous prime is 1601953. The next prime is 1601969. The reversal of 1601956 is 6591061.

It is a super-3 number, since 3×1601956³ = 12333121355928992448, which contains 333 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1601953) 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, 6336 + ... + 6583.

2^1601956 is an apocalyptic number.

It is an amenable number.

1601956 is a deficient number, since it is larger than the sum of its proper divisors (1292124).

1601956 is a wasteful number, since it uses less digits than its factorization.

1601956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12954 (or 12952 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 1601956 is about 1265.6840047974. The cubic root of 1601956 is about 117.0083516088.

It can be divided in two parts, 160 and 1956, that added together give a square (2116 = 46²).

The spelling of 1601956 in words is "one million, six hundred one thousand, nine hundred fifty-six".