19434152 has 8 divisors (see below), whose sum is σ = 36439050. Its totient is φ = 9717072.

The previous prime is 19434137. The next prime is 19434161. The reversal of 19434152 is 25143491.

It can be written as a sum of positive squares in only one way, i.e., 19412836 + 21316 = 4406^2 + 146^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1214627 + ... + 1214642.

Almost surely, 2^19434152 is an apocalyptic number.

It is an amenable number.

19434152 is a deficient number, since it is larger than the sum of its proper divisors (17004898).

19434152 is a wasteful number, since it uses less digits than its factorization.

19434152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429275 (or 2429271 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 19434152 is about 4408.4183104601. The cubic root of 19434152 is about 268.8573198929.

The spelling of 19434152 in words is "nineteen million, four hundred thirty-four thousand, one hundred fifty-two".