38445297 has 16 divisors (see below), whose sum is σ = 56102592. Its totient is φ = 23224320.

The previous prime is 38445289. The next prime is 38445307. The reversal of 38445297 is 79254483.

It is not a de Polignac number, because 38445297 - 2³ = 38445289 is a prime.

It is a super-2 number, since 2×38445297² = 2956081722836418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38445217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9393 + ... + 12849.

It is an arithmetic number, because the mean of its divisors is an integer number (3506412).

Almost surely, 2^38445297 is an apocalyptic number.

It is an amenable number.

38445297 is a deficient number, since it is larger than the sum of its proper divisors (17657295).

38445297 is a wasteful number, since it uses less digits than its factorization.

38445297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3808.

The product of its digits is 241920, while the sum is 42.

The square root of 38445297 is about 6200.4271627042. The cubic root of 38445297 is about 337.5056701379.

The spelling of 38445297 in words is "thirty-eight million, four hundred forty-five thousand, two hundred ninety-seven".