35401609 has 8 divisors (see below), whose sum is σ = 35767368. Its totient is φ = 35038080.

The previous prime is 35401607. The next prime is 35401649. The reversal of 35401609 is 90610453.

It can be written as a sum of positive squares in 4 ways, for example, as 8982009 + 26419600 = 2997^2 + 5140^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 35401609 - 2¹ = 35401607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35401601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57069 + ... + 57685.

It is an arithmetic number, because the mean of its divisors is an integer number (4470921).

Almost surely, 2^35401609 is an apocalyptic number.

It is an amenable number.

35401609 is a deficient number, since it is larger than the sum of its proper divisors (365759).

35401609 is a wasteful number, since it uses less digits than its factorization.

35401609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 35401609 is about 5949.9251255793. The cubic root of 35401609 is about 328.3530089188.

The spelling of 35401609 in words is "thirty-five million, four hundred one thousand, six hundred nine".