380436437 has 4 divisors (see below), whose sum is σ = 389283840. Its totient is φ = 371589036.

The previous prime is 380436409. The next prime is 380436457. The reversal of 380436437 is 734634083.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 734634083 = 3607 ⋅203669.

It is a cyclic number.

It is not a de Polignac number, because 380436437 - 2¹⁶ = 380370901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 380436437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380436457) 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, 4423637 + ... + 4423722.

It is an arithmetic number, because the mean of its divisors is an integer number (97320960).

Almost surely, 2^380436437 is an apocalyptic number.

It is an amenable number.

380436437 is a deficient number, since it is larger than the sum of its proper divisors (8847403).

380436437 is an equidigital number, since it uses as much as digits as its factorization.

380436437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8847402.

The product of its (nonzero) digits is 145152, while the sum is 38.

The square root of 380436437 is about 19504.7798500778. The cubic root of 380436437 is about 724.5928348718.

The spelling of 380436437 in words is "three hundred eighty million, four hundred thirty-six thousand, four hundred thirty-seven".