3572905 has 32 divisors (see below), whose sum is σ = 5253120. Its totient is φ = 2280960.

The previous prime is 3572903. The next prime is 3572917. The reversal of 3572905 is 5092753.

It is a happy number.

It is not a de Polignac number, because 3572905 - 2¹ = 3572903 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

3572905 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3572903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40101 + ... + 40189.

It is an arithmetic number, because the mean of its divisors is an integer number (164160).

Almost surely, 2^3572905 is an apocalyptic number.

3572905 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3572905 is a deficient number, since it is larger than the sum of its proper divisors (1680215).

3572905 is a wasteful number, since it uses less digits than its factorization.

3572905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 3572905 is about 1890.2129509661. The cubic root of 3572905 is about 152.8764149324.

The spelling of 3572905 in words is "three million, five hundred seventy-two thousand, nine hundred five".