38345436 has 36 divisors (see below), whose sum is σ = 97209112. Its totient is φ = 12744864.

The previous prime is 38345423. The next prime is 38345441. The reversal of 38345436 is 63454383.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 38345436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12951 + ... + 15633.

Almost surely, 2^38345436 is an apocalyptic number.

38345436 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

38345436 is an abundant number, since it is smaller than the sum of its proper divisors (58863676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38345436 is a wasteful number, since it uses less digits than its factorization.

38345436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090 (or 3085 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 38345436 is about 6192.3691750412. The cubic root of 38345436 is about 337.2131950274.

It can be divided in two parts, 38345 and 436, that added together give a triangular number (38781 = T₂₇₈).

The spelling of 38345436 in words is "thirty-eight million, three hundred forty-five thousand, four hundred thirty-six".