32401642 has 48 divisors (see below), whose sum is σ = 63057960. Its totient is φ = 12362112.

The previous prime is 32401639. The next prime is 32401657. The reversal of 32401642 is 24610423.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27783441 + 4618201 = 5271^2 + 2149^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36508 + ... + 37384.

Almost surely, 2^32401642 is an apocalyptic number.

32401642 is a deficient number, since it is larger than the sum of its proper divisors (30656318).

32401642 is a wasteful number, since it uses less digits than its factorization.

32401642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 32401642 is about 5692.2440214734. The cubic root of 32401642 is about 318.8029561125.

The spelling of 32401642 in words is "thirty-two million, four hundred one thousand, six hundred forty-two".