3662690436 has 36 divisors (see below), whose sum is σ = 9276285564. Its totient is φ = 1218547200.

The previous prime is 3662690371. The next prime is 3662690467. The reversal of 3662690436 is 6340962663.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2509408836 + 1153281600 = 50094^2 + 33960^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 3662690391 and 3662690400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78885 + ... + 116396.

It is an arithmetic number, because the mean of its divisors is an integer number (257674599).

Almost surely, 2^3662690436 is an apocalyptic number.

3662690436 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3662690436 is an abundant number, since it is smaller than the sum of its proper divisors (5613595128).

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

3662690436 is a wasteful number, since it uses less digits than its factorization.

3662690436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195812 (or 195807 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 45.

The square root of 3662690436 is about 60520.1655318291. The cubic root of 3662690436 is about 1541.4640650411.

The spelling of 3662690436 in words is "three billion, six hundred sixty-two million, six hundred ninety thousand, four hundred thirty-six".