2077646 has 4 divisors (see below), whose sum is σ = 3116472. Its totient is φ = 1038822.

The previous prime is 2077639. The next prime is 2077667. The reversal of 2077646 is 6467702.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6467702 = 2 ⋅3233851.

It is a super-2 number, since 2×2077646² = 8633225802632, 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 as a sum of consecutive naturals, namely, 519410 + ... + 519413.

It is an arithmetic number, because the mean of its divisors is an integer number (779118).

2^2077646 is an apocalyptic number.

2077646 is a deficient number, since it is larger than the sum of its proper divisors (1038826).

2077646 is a wasteful number, since it uses less digits than its factorization.

2077646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038825.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 2077646 is about 1441.4041764890. The cubic root of 2077646 is about 127.6019126229.

The spelling of 2077646 in words is "two million, seventy-seven thousand, six hundred forty-six".