35946640 has 20 divisors (see below), whose sum is σ = 83576124. Its totient is φ = 14378624.

The previous prime is 35946623. The next prime is 35946641. The reversal of 35946640 is 4664953.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15116544 + 20830096 = 3888^2 + 4564^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 35946640.

It is not an unprimeable number, because it can be changed into a prime (35946641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224587 + ... + 224746.

Almost surely, 2^35946640 is an apocalyptic number.

It is an amenable number.

35946640 is an abundant number, since it is smaller than the sum of its proper divisors (47629484).

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

35946640 is a wasteful number, since it uses less digits than its factorization.

35946640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449346 (or 449340 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 35946640 is about 5995.5516843740. The cubic root of 35946640 is about 330.0295045551.

The spelling of 35946640 in words is "thirty-five million, nine hundred forty-six thousand, six hundred forty".