1613964 has 24 divisors (see below), whose sum is σ = 4108608. Its totient is φ = 489040.

The previous prime is 1613959. The next prime is 1613981. The reversal of 1613964 is 4693161.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5982 + ... + 6245.

It is an arithmetic number, because the mean of its divisors is an integer number (171192).

2^1613964 is an apocalyptic number.

It is an amenable number.

1613964 is an abundant number, since it is smaller than the sum of its proper divisors (2494644).

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

1613964 is a wasteful number, since it uses less digits than its factorization.

1613964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12245 (or 12243 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 1613964 is about 1270.4188285758. The cubic root of 1613964 is about 117.2999826299.

The spelling of 1613964 in words is "one million, six hundred thirteen thousand, nine hundred sixty-four".