1941604 has 24 divisors (see below), whose sum is σ = 4112640. Its totient is φ = 782976.

The previous prime is 1941601. The next prime is 1941607. The reversal of 1941604 is 4061491.

1941604 = 158² + 159² + ... + 213².

It is an interprime number because it is at equal distance from previous prime (1941601) and next prime (1941607).

It is not an unprimeable number, because it can be changed into a prime (1941601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1564 + ... + 2515.

It is an arithmetic number, because the mean of its divisors is an integer number (171360).

2^1941604 is an apocalyptic number.

1941604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1941604 is an abundant number, since it is smaller than the sum of its proper divisors (2171036).

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

1941604 is a wasteful number, since it uses less digits than its factorization.

1941604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4107 (or 4105 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1941604 is about 1393.4145111918. The cubic root of 1941604 is about 124.7537338090.

The spelling of 1941604 in words is "one million, nine hundred forty-one thousand, six hundred four".