2619964 has 6 divisors (see below), whose sum is σ = 4584944. Its totient is φ = 1309980.

The previous prime is 2619961. The next prime is 2619973. The reversal of 2619964 is 4699162.

It is a super-2 number, since 2×2619964² = 13728422722592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2619961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327492 + ... + 327499.

2^2619964 is an apocalyptic number.

It is an amenable number.

2619964 is a deficient number, since it is larger than the sum of its proper divisors (1964980).

2619964 is a wasteful number, since it uses less digits than its factorization.

2619964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654995 (or 654993 counting only the distinct ones).

The product of its digits is 23328, while the sum is 37.

The square root of 2619964 is about 1618.6302851485. The cubic root of 2619964 is about 137.8579368400.

The spelling of 2619964 in words is "two million, six hundred nineteen thousand, nine hundred sixty-four".