6219964 has 24 divisors (see below), whose sum is σ = 11368448. Its totient is φ = 2974320.

The previous prime is 6219953. The next prime is 6219971. The reversal of 6219964 is 4699126.

It is a super-2 number, since 2×6219964² = 77375904322592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12529 + ... + 13015.

Almost surely, 2^6219964 is an apocalyptic number.

It is an amenable number.

6219964 is a deficient number, since it is larger than the sum of its proper divisors (5148484).

6219964 is a wasteful number, since it uses less digits than its factorization.

6219964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 623 counting only the distinct ones).

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

The square root of 6219964 is about 2493.9855653151. The cubic root of 6219964 is about 183.9060247906.

It can be divided in two parts, 621 and 9964, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 6219964 in words is "six million, two hundred nineteen thousand, nine hundred sixty-four".