38099240 has 16 divisors (see below), whose sum is σ = 85723380. Its totient is φ = 15239680.

The previous prime is 38099231. The next prime is 38099249. The reversal of 38099240 is 4299083.

It is an interprime number because it is at equal distance from previous prime (38099231) and next prime (38099249).

It can be written as a sum of positive squares in 2 ways, for example, as 35022724 + 3076516 = 5918^2 + 1754^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38099240.

It is not an unprimeable number, because it can be changed into a prime (38099249) 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, 476201 + ... + 476280.

Almost surely, 2^38099240 is an apocalyptic number.

It is an amenable number.

38099240 is an abundant number, since it is smaller than the sum of its proper divisors (47624140).

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

38099240 is a wasteful number, since it uses less digits than its factorization.

38099240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952492 (or 952488 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 38099240 is about 6172.4581813083. The cubic root of 38099240 is about 336.4899550795.

The spelling of 38099240 in words is "thirty-eight million, ninety-nine thousand, two hundred forty".