37828961 has 4 divisors (see below), whose sum is σ = 40054212. Its totient is φ = 35603712.

The previous prime is 37828957. The next prime is 37828969. The reversal of 37828961 is 16982873.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20647936 + 17181025 = 4544^2 + 4145^2 .

It is not a de Polignac number, because 37828961 - 2² = 37828957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37828969) 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, 1112600 + ... + 1112633.

It is an arithmetic number, because the mean of its divisors is an integer number (10013553).

Almost surely, 2^37828961 is an apocalyptic number.

It is an amenable number.

37828961 is a deficient number, since it is larger than the sum of its proper divisors (2225251).

37828961 is a wasteful number, since it uses less digits than its factorization.

37828961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225250.

The product of its digits is 145152, while the sum is 44.

The square root of 37828961 is about 6150.5252621219. The cubic root of 37828961 is about 335.6923706663.

The spelling of 37828961 in words is "thirty-seven million, eight hundred twenty-eight thousand, nine hundred sixty-one".