379670421 has 16 divisors (see below), whose sum is σ = 546451136. Its totient is φ = 233093376.

The previous prime is 379670411. The next prime is 379670449. The reversal of 379670421 is 124076973.

It is not a de Polignac number, because 379670421 - 2¹⁰ = 379669397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 379670421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379670411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5646 + ... + 28128.

It is an arithmetic number, because the mean of its divisors is an integer number (34153196).

Almost surely, 2^379670421 is an apocalyptic number.

It is an amenable number.

379670421 is a deficient number, since it is larger than the sum of its proper divisors (166780715).

379670421 is a wasteful number, since it uses less digits than its factorization.

379670421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22932.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 379670421 is about 19485.1333328771. The cubic root of 379670421 is about 724.1061809461.

The spelling of 379670421 in words is "three hundred seventy-nine million, six hundred seventy thousand, four hundred twenty-one".