38154966 has 16 divisors (see below), whose sum is σ = 76377600. Its totient is φ = 12707048.

The previous prime is 38154937. The next prime is 38154967. The reversal of 38154966 is 66945183.

It is a super-2 number, since 2×38154966² = 2911602860922312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38154967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7315 + ... + 11393.

It is an arithmetic number, because the mean of its divisors is an integer number (4773600).

Almost surely, 2^38154966 is an apocalyptic number.

38154966 is an abundant number, since it is smaller than the sum of its proper divisors (38222634).

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

38154966 is a wasteful number, since it uses less digits than its factorization.

38154966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5643.

The product of its digits is 155520, while the sum is 42.

The square root of 38154966 is about 6176.9706167344. The cubic root of 38154966 is about 336.6539312679.

The spelling of 38154966 in words is "thirty-eight million, one hundred fifty-four thousand, nine hundred sixty-six".