29161402 has 8 divisors (see below), whose sum is σ = 44924436. Its totient is φ = 14186592.

The previous prime is 29161387. The next prime is 29161403. The reversal of 29161402 is 20416192.

It can be written as a sum of positive squares in 2 ways, for example, as 28826161 + 335241 = 5369^2 + 579^2 .

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

It is not an unprimeable number, because it can be changed into a prime (29161403) 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, 196963 + ... + 197110.

Almost surely, 2^29161402 is an apocalyptic number.

29161402 is a deficient number, since it is larger than the sum of its proper divisors (15763034).

29161402 is a wasteful number, since it uses less digits than its factorization.

29161402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394112.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 29161402 is about 5400.1298132545. The cubic root of 29161402 is about 307.8006032163.

Adding to 29161402 its reverse (20416192), we get a palindrome (49577594).

The spelling of 29161402 in words is "twenty-nine million, one hundred sixty-one thousand, four hundred two".