38420450 has 12 divisors (see below), whose sum is σ = 71462130. Its totient is φ = 15368160.

The previous prime is 38420441. The next prime is 38420453. The reversal of 38420450 is 5402483.

It can be written as a sum of positive squares in 3 ways, for example, as 24275329 + 14145121 = 4927^2 + 3761^2 .

It is a super-2 number, since 2×38420450² = 2952261956405000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38420453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 384155 + ... + 384254.

Almost surely, 2^38420450 is an apocalyptic number.

38420450 is a deficient number, since it is larger than the sum of its proper divisors (33041680).

38420450 is a wasteful number, since it uses less digits than its factorization.

38420450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768421 (or 768416 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 38420450 is about 6198.4231865854. The cubic root of 38420450 is about 337.4329450688.

The spelling of 38420450 in words is "thirty-eight million, four hundred twenty thousand, four hundred fifty".