42849036 has 36 divisors (see below), whose sum is σ = 108845464. Its totient is φ = 14212800.

The previous prime is 42849031. The next prime is 42849041. The reversal of 42849036 is 63094824.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42849031) and next prime (42849041).

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

It is a super-2 number, since 2×42849036² = 3672079772258592, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (42849031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4776 + ... + 10416.

Almost surely, 2^42849036 is an apocalyptic number.

It is an amenable number.

42849036 is an abundant number, since it is smaller than the sum of its proper divisors (65996428).

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

42849036 is a wasteful number, since it uses less digits than its factorization.

42849036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5862 (or 5857 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 42849036 is about 6545.9175063546. The cubic root of 42849036 is about 349.9293353937.

The spelling of 42849036 in words is "forty-two million, eight hundred forty-nine thousand, thirty-six".