1206660396 has 24 divisors (see below), whose sum is σ = 2821432320. Its totient is φ = 401378512.

The previous prime is 1206660373. The next prime is 1206660409. The reversal of 1206660396 is 6930666021.

It is a happy number.

It is a super-2 number, since 2×1206660396² = 2912058622549753632, which contains 22 as substring.

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, 99216 + ... + 110711.

It is an arithmetic number, because the mean of its divisors is an integer number (117559680).

Almost surely, 2^1206660396 is an apocalyptic number.

It is an amenable number.

1206660396 is an abundant number, since it is smaller than the sum of its proper divisors (1614771924).

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

1206660396 is a wasteful number, since it uses less digits than its factorization.

1206660396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210413 (or 210411 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 1206660396 is about 34737.0176612789. The cubic root of 1206660396 is about 1064.6209782212.

The spelling of 1206660396 in words is "one billion, two hundred six million, six hundred sixty thousand, three hundred ninety-six".