37428438 has 8 divisors (see below), whose sum is σ = 74856888. Its totient is φ = 12476144.

The previous prime is 37428437. The next prime is 37428451. The reversal of 37428438 is 83482473.

It is a sphenic number, since it is the product of 3 distinct primes.

37428438 is an admirable number.

It is a super-2 number, since 2×37428438² = 2801775942239688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 37428396 and 37428405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37428437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3119031 + ... + 3119042.

It is an arithmetic number, because the mean of its divisors is an integer number (9357111).

Almost surely, 2^37428438 is an apocalyptic number.

37428438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

37428438 is a wasteful number, since it uses less digits than its factorization.

37428438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6238078.

The product of its digits is 129024, while the sum is 39.

The square root of 37428438 is about 6117.8785538780. The cubic root of 37428438 is about 334.5034240792.

The spelling of 37428438 in words is "thirty-seven million, four hundred twenty-eight thousand, four hundred thirty-eight".