378954049 has 16 divisors (see below), whose sum is σ = 412283520. Its totient is φ = 347226880.

The previous prime is 378954029. The next prime is 378954053. The reversal of 378954049 is 940459873.

It is a cyclic number.

It is not a de Polignac number, because 378954049 - 2⁷ = 378953921 is a prime.

It is a super-3 number, since 3×378954049³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 378953993 and 378954011.

It is not an unprimeable number, because it can be changed into a prime (378954029) 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, 85209 + ... + 89545.

It is an arithmetic number, because the mean of its divisors is an integer number (25767720).

Almost surely, 2^378954049 is an apocalyptic number.

It is an amenable number.

378954049 is a deficient number, since it is larger than the sum of its proper divisors (33329471).

378954049 is a wasteful number, since it uses less digits than its factorization.

378954049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4520.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 378954049 is about 19466.7421259953. The cubic root of 378954049 is about 723.6504734364.

The spelling of 378954049 in words is "three hundred seventy-eight million, nine hundred fifty-four thousand, forty-nine".