38362890 has 32 divisors (see below), whose sum is σ = 92805120. Its totient is φ = 10148544.

The previous prime is 38362889. The next prime is 38362901. The reversal of 38362890 is 9826383.

It is a super-2 number, since 2×38362890² = 2943422658304200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1225 + ... + 8844.

It is an arithmetic number, because the mean of its divisors is an integer number (2900160).

Almost surely, 2^38362890 is an apocalyptic number.

38362890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38362890 is an abundant number, since it is smaller than the sum of its proper divisors (54442230).

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

38362890 is a wasteful number, since it uses less digits than its factorization.

38362890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10206.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 38362890 is about 6193.7783299049. The cubic root of 38362890 is about 337.2643512790.

The spelling of 38362890 in words is "thirty-eight million, three hundred sixty-two thousand, eight hundred ninety".