38172452 has 6 divisors (see below), whose sum is σ = 66801798. Its totient is φ = 19086224.

The previous prime is 38172437. The next prime is 38172457. The reversal of 38172452 is 25427183.

It can be written as a sum of positive squares in only one way, i.e., 35688676 + 2483776 = 5974^2 + 1576^2 .

It is not an unprimeable number, because it can be changed into a prime (38172457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4771553 + ... + 4771560.

It is an arithmetic number, because the mean of its divisors is an integer number (11133633).

Almost surely, 2^38172452 is an apocalyptic number.

It is an amenable number.

38172452 is a deficient number, since it is larger than the sum of its proper divisors (28629346).

38172452 is a wasteful number, since it uses less digits than its factorization.

38172452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9543117 (or 9543115 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 38172452 is about 6178.3858733491. The cubic root of 38172452 is about 336.7053516745.

The spelling of 38172452 in words is "thirty-eight million, one hundred seventy-two thousand, four hundred fifty-two".